From 5d9af2902450cc8a3e181a515f13e86a26aa591d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Thu, 24 Aug 2023 18:19:32 +0200
Subject: [PATCH] api: add infos "nick_color_ignore_case" and
 "nick_color_name_ignore_case" (issue #194)

---
 ChangeLog.adoc                             |   1 +
 ReleaseNotes.adoc                          |  10 +-
 po/cs.po                                   |  33 +++-
 po/de.po                                   | 180 ++++++++-------------
 po/es.po                                   |  33 +++-
 po/fr.po                                   |  48 ++++--
 po/hu.po                                   |  29 +++-
 po/it.po                                   |  33 +++-
 po/ja.po                                   |  33 +++-
 po/pl.po                                   |  40 ++++-
 po/pt.po                                   |  33 +++-
 po/pt_BR.po                                |  33 +++-
 po/ru.po                                   |  29 +++-
 po/sr.po                                   |  40 ++++-
 po/tr.po                                   |  40 ++++-
 po/weechat.pot                             |  26 ++-
 src/core/wee-string.c                      |  64 ++++++++
 src/core/wee-string.h                      |   2 +
 src/gui/gui-nick.c                         |  36 ++++-
 src/gui/gui-nick.h                         |   4 +-
 src/plugins/irc/irc-info.c                 |  10 +-
 src/plugins/irc/irc-nick.c                 |  38 +++--
 src/plugins/irc/irc-server.c               |  66 --------
 src/plugins/irc/irc-server.h               |   5 +-
 src/plugins/plugin-api-info.c              | 100 ++++++++++++
 tests/unit/core/test-core-string.cpp       |  40 +++++
 tests/unit/gui/test-gui-nick.cpp           |  40 +++--
 tests/unit/plugins/irc/test-irc-nick.cpp   |  52 +++---
 tests/unit/plugins/irc/test-irc-server.cpp |  58 -------
 29 files changed, 772 insertions(+), 384 deletions(-)

diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index f996c3feb..2fe4e08ce 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -19,6 +19,7 @@ New features::
   * core: add options weechat.buffer.* to save buffer properties set by user, add option `setauto` in command `/buffer` (issue #352)
   * core: add parameters and key bindings to move to edges of current area with commands `/cursor go` and `/cursor move` (issue #1282)
   * core: add variables "_chat_focused_line_bol" and "_chat_focused_line_eol" in focus data (issue #1955)
+  * api: add infos "nick_color_ignore_case" and "nick_color_name_ignore_case" (issue #194)
   * api: add info "buffer" (issue #1962)
   * buflist: increase max number of buflist items from 3 to 5 (issue #1703)
   * fset: add variable `allowed_values` in options, add options fset.color.allowed_values and fset.color.allowed_values_selected
diff --git a/ReleaseNotes.adoc b/ReleaseNotes.adoc
index c646e66d3..136c0e2e4 100644
--- a/ReleaseNotes.adoc
+++ b/ReleaseNotes.adoc
@@ -59,8 +59,14 @@ back with the two following commands:
 They will then be advertised in reply to "CTCP CLIENTINFO", which is now built
 dynamically with these options.
 
-[[v4.1.0_info_irc_nick_color]]
-=== Infos irc_nick_color and irc_nick_color_name
+[[v4.1.0_nick_color_infos]]
+=== Nick color infos
+
+Two infos to get nick colors have been added: nick_color_ignore_case and
+nick_color_name_ignore_case. +
+They are similar to nick_color and nick_color_name, except they take as second
+argument a range of chars to apply on the nick: the nick is converted to lower
+case using this range of chars.
 
 The infos irc_nick_color and irc_nick_color_name, that were deprecated since
 version 1.5 are now used again, with a change in parameter: the server is now
diff --git a/po/cs.po b/po/cs.po
index b17b07ef6..7f5f7b19d 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-26 21:34+0200\n"
 "Last-Translator: Ondřej Súkup <mimi.vx@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -9712,13 +9712,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC host (jako `:nick!name@server.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -11380,6 +11382,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "získat jméno barvy přezdívky"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "získat kód barvy přezdívky"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"barva textu pro přezdívky (čárkou oddělený seznam barev, pozadí je povoleno "
+"ve formátu: \"fg:bg\", například: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "získat jméno barvy přezdívky"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "WeeChat uptime (formát: \"dny:hh:mm:ss\")"
 
diff --git a/po/de.po b/po/de.po
index 6d5a83a9f..80b208c2a 100644
--- a/po/de.po
+++ b/po/de.po
@@ -26,7 +26,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-08-24 13:36+0200\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <kde-i18n-de@kde.org>\n"
@@ -412,7 +412,6 @@ msgid "No local variable defined for buffer \"%s\""
 msgstr "Keine lokale Variable für Buffer \"%s\" definiert"
 
 #, c-format
-#| msgid "%sUnable to set option \"%s\" for proxy \"%s\""
 msgid "%sUnable to create option for buffer property \"%s\""
 msgstr "%sOption für Buffereigenschaft „%s“ konnte nicht erstellt werden"
 
@@ -1254,17 +1253,6 @@ msgstr ""
 msgid "manage buffers"
 msgstr "Buffer verwalten"
 
-#| msgid ""
-#| "list || add [-free] [-switch] <name> || clear [<number>|<name>|-merged|-"
-#| "all [<number>|<name>...]] || move <number>|-|+ || swap <number1>|<name1> "
-#| "[<number2>|<name2>] || cycle <number>|<name> [<number>|<name>...] || "
-#| "merge <number>|<name> || unmerge [<number>|-all] || hide [<number>|"
-#| "<name>|-all [<number>|<name>...]] || unhide [<number>|<name>|-all "
-#| "[<number>|<name>...]] || switch [-previous] || zoom || renumber "
-#| "[<number1> [<number2> [<start>]]] || close [<n1>[-<n2>]|<name>...] || "
-#| "notify [<level>] || listvar [<number>|<name>] || setvar <name> [<value>] "
-#| "|| delvar <name> || set <property> [<value>] || get <property> || jump "
-#| "smart|last_displayed|prev_visited|next_visited || <number>|-|+|<name>"
 msgid ""
 "list || add [-free] [-switch] <name> || clear [<number>|<name>|-merged|-all "
 "[<number>|<name>...]] || move <number>|-|+ || swap <number1>|<name1> "
@@ -1288,83 +1276,6 @@ msgstr ""
 "[<value>] || setauto <property> [<value>] || get <property> || jump smart|"
 "last_displayed|prev_visited|next_visited || <number>|-|+|<name>"
 
-#| msgid ""
-#| "    list: list buffers (without argument, this list is displayed)\n"
-#| "     add: add a new buffer (it can be closed with \"/buffer close\" or "
-#| "input \"q\")\n"
-#| "   clear: clear buffer content (number for a buffer, -merged for merged "
-#| "buffers, -all for all buffers, or nothing for current buffer)\n"
-#| "    move: move buffer in the list (may be relative, for example -1); \"-"
-#| "\" = move to first buffer number, \"+\" = move to last buffer number + 1\n"
-#| "    swap: swap two buffers (swap with current buffer if only one number/"
-#| "name given)\n"
-#| "   cycle: jump loop between a list of buffers\n"
-#| "   merge: merge current buffer to another buffer (chat area will be mix "
-#| "of both buffers)\n"
-#| "          (by default ctrl-x switches between merged buffers)\n"
-#| " unmerge: unmerge buffer from other buffers which have same number\n"
-#| "    hide: hide the buffer\n"
-#| "  unhide: unhide the buffer\n"
-#| "  switch: switch to next merged buffer (or to previous buffer with \"-"
-#| "previous\")\n"
-#| "    zoom: zoom on merged buffer\n"
-#| "renumber: renumber buffers (works only if option weechat.look."
-#| "buffer_auto_renumber is off)\n"
-#| "   close: close buffer (number/range or name is optional)\n"
-#| "  notify: display or set notify level for current buffer: this level "
-#| "determines whether buffer will be added to hotlist or not:\n"
-#| "               none: never\n"
-#| "          highlight: for highlights only\n"
-#| "            message: for messages from users + highlights\n"
-#| "                all: all messages\n"
-#| "              reset: reset to default value (all)\n"
-#| " listvar: display local variables in a buffer\n"
-#| "  setvar: set a local variable in the current buffer\n"
-#| "  delvar: delete a local variable from the current buffer\n"
-#| "     set: set a property in the current buffer\n"
-#| "     get: display a property of current buffer\n"
-#| "    jump: jump to another buffer:\n"
-#| "          smart: next buffer with activity\n"
-#| "          last_displayed: last buffer displayed (before last jump to a "
-#| "buffer)\n"
-#| "          prev_visited: previously visited buffer\n"
-#| "          next_visited: jump to next visited buffer\n"
-#| "  number: jump to buffer by number, possible prefix:\n"
-#| "          '+': relative jump, add number to current\n"
-#| "          '-': relative jump, sub number to current\n"
-#| "          '*': jump to number, using option \"weechat.look."
-#| "jump_current_to_previous_buffer\"\n"
-#| "       -: jump to first buffer number\n"
-#| "       +: jump to last buffer number\n"
-#| "    name: jump to buffer by (partial) name\n"
-#| "\n"
-#| "Examples:\n"
-#| "  clear current buffer:\n"
-#| "    /buffer clear\n"
-#| "  move buffer to number 5:\n"
-#| "    /buffer move 5\n"
-#| "  swap buffer 1 with 3:\n"
-#| "    /buffer swap 1 3\n"
-#| "  swap buffer #weechat with current buffer:\n"
-#| "    /buffer swap #weechat\n"
-#| "  jump on #chan1, #chan2, #chan3 and loop:\n"
-#| "    /buffer cycle #chan1 #chan2 #chan3\n"
-#| "  merge with core buffer:\n"
-#| "    /buffer merge 1\n"
-#| "  merge with #weechat buffer:\n"
-#| "    /buffer merge #weechat\n"
-#| "  unmerge buffer:\n"
-#| "    /buffer unmerge\n"
-#| "  close current buffer:\n"
-#| "    /buffer close\n"
-#| "  close buffers 5 to 7:\n"
-#| "    /buffer close 5-7\n"
-#| "  jump to #weechat:\n"
-#| "    /buffer #weechat\n"
-#| "  jump to next buffer:\n"
-#| "    /buffer +1\n"
-#| "  jump to last buffer number:\n"
-#| "    /buffer +"
 msgid ""
 "    list: list buffers (without argument, this list is displayed)\n"
 "     add: add a new buffer (it can be closed with \"/buffer close\" or input "
@@ -1489,9 +1400,10 @@ msgstr ""
 "  setvar: legt eine lokale Variable für den aktuellen Buffer an\n"
 "  delvar: löscht eine lokale Variable des aktuellen Buffers\n"
 "     set: setzt eine Eigenschaft für den aktuellen Buffer\n"
-" setauto: wie „set“ und definiert zusätzlich die Option „weechat.buffer.<name"
-">.<eigenschaft>“, damit die entsprechende Eigenschaft in der Konfiguration"
-" gespeichert und Anwendung findet, sobald dieser Buffer geöffnet wird\n"
+" setauto: wie „set“ und definiert zusätzlich die Option „weechat.buffer."
+"<name>.<eigenschaft>“, damit die entsprechende Eigenschaft in der "
+"Konfiguration gespeichert und Anwendung findet, sobald dieser Buffer "
+"geöffnet wird\n"
 "     get: zeigt eine Eigenschaft für den aktuellen Buffer an\n"
 "    jump: springt zu einem anderen Buffer:\n"
 "          smart: nächster Buffer mit Aktivität\n"
@@ -3977,7 +3889,6 @@ msgstr "Wert einer lokalen Buffervariablen"
 msgid "properties that can be set on a buffer"
 msgstr "Eigenschaften die für den Buffer gesetzt werden können"
 
-#| msgid "properties that can be set on a buffer"
 msgid "properties that can be automatically set on a buffer"
 msgstr "Eigenschaften die für den Buffer automatisch gesetzt werden können"
 
@@ -4170,13 +4081,11 @@ msgid ""
 "set property \"%s\" on any buffer matching mask \"%s\"; content is "
 "evaluated, see /help eval; ${buffer} is a pointer to the buffer being opened"
 msgstr ""
-"Eigenschaft „%s“ bei jedem Buffer setzen, der mit der Maske „%s“"
-" übereinstimmt; Inhalt ist"
-"evaluiert, siehe /help eval; ${buffer} ist ein Zeiger auf den Buffer, der"
-" geöffnet wird"
+"Eigenschaft „%s“ bei jedem Buffer setzen, der mit der Maske „%s“ "
+"übereinstimmt; Inhalt istevaluiert, siehe /help eval; ${buffer} ist ein "
+"Zeiger auf den Buffer, der geöffnet wird"
 
 #, c-format
-#| msgid "Options saved to %s"
 msgid "Option \"weechat.buffer.%s\" has been set to \"%s\""
 msgstr "Option \"weechat.buffer.%s\" wurde auf \"%s\" gesetzt"
 
@@ -12174,27 +12083,37 @@ msgstr "Nicknamen des IRC-Hosts erhalten"
 msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC host (in der Form `:nick!name@server.com`)"
 
+#, fuzzy
+#| msgid ""
+#| "get nick color code (nick is first converted to lower case, following the "
+#| "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the "
+#| "server is not given)"
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
-"Hole den Farbcode des Nicks (der Nick wird zuerst in Kleinbuchstaben"
-" umgewandelt, dabei wird"
-"der Wert des CASEMAPPING auf dem Server berücksichtigt, standardmäßig wird"
-" auf „rfc1459“ zurückgegriffen, wenn der Server"
-"nicht angegeben wurde)"
+"Hole den Farbcode des Nicks (der Nick wird zuerst in Kleinbuchstaben "
+"umgewandelt, dabei wirdder Wert des CASEMAPPING auf dem Server "
+"berücksichtigt, standardmäßig wird auf „rfc1459“ zurückgegriffen, wenn der "
+"Servernicht angegeben wurde)"
 
+#, fuzzy
+#| msgid ""
+#| "get nick color name (nick is first converted to lower case, following the "
+#| "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the "
+#| "server is not given)"
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
-"Hole den Farbnamen des Nicks (der Nick wird zuerst in Kleinbuchstaben"
-" konvertiert, dabei wird"
-"der Wert des CASEMAPPING auf dem Server berücksichtigt, standardmäßig wird"
-" auf „rfc1459“ zurückgegriffen, wenn der Server"
-"nicht angegeben wurde)"
+"Hole den Farbnamen des Nicks (der Nick wird zuerst in Kleinbuchstaben "
+"konvertiert, dabei wirdder Wert des CASEMAPPING auf dem Server "
+"berücksichtigt, standardmäßig wird auf „rfc1459“ zurückgegriffen, wenn der "
+"Servernicht angegeben wurde)"
 
 msgid "get buffer pointer for an IRC server/channel/nick"
 msgstr "holt Buffer Pointer für einen IRC Server/Kanal/Nick"
@@ -13908,6 +13827,35 @@ msgstr ""
 msgid "get nick color name"
 msgstr "zeigt Farbnamen des Nick"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "zeigt Farbecode des Nick"
+
+#, fuzzy
+#| msgid ""
+#| "nickname;colors (colors is an optional comma-separated list of colors to "
+#| "use; background is allowed for a color with format text:background; if "
+#| "colors is present, WeeChat options with nick colors and forced nick "
+#| "colors are ignored)"
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"Nickname;Farben (Farben ist eine optionale Kommata getrennte Liste von "
+"Farben die genutzt werden sollen; wenn eine Hintergrundfarbe genutzt werden "
+"muss das Format wie folgt aussehen Text:Hintergrund; sind die Farben schon "
+"vorhanden, werden die WeeChat Optionen für Nickfarben und erzwungene "
+"Nickfarben ignoriert)"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "zeigt Farbnamen des Nick"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "Laufzeit von WeeChat (Format: \"days:hh:mm:ss\")"
 
@@ -16378,8 +16326,7 @@ msgstr "verwaltet Trigger, das Schweizer Armeemesser für WeeChat"
 msgid ""
 "list [-o|-ol|-i|-il] || listfull || listdefault || add|addoff|addreplace "
 "<name> <hook> "
-"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<"
-"return_code>\" [\"<post_action>\"]]]]]] "
+"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<return_code>\" [\"<post_action>\"]]]]]] "
 "|| addinput [<hook>] || input|output|recreate <name> || set <name> <option> "
 "<value> || rename|copy <name> <new_name> || enable|disable|toggle [<name>|-"
 "all [<name>...]] || restart <name>|-all [<name>...] || show <name> || del "
@@ -16388,8 +16335,7 @@ msgid ""
 msgstr ""
 "list [-o|-ol|-i|-il] || listfull || listdefault || add|addoff|addreplace "
 "<name> <hook> "
-"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<"
-"return_code>\" [\"<post_action>\"]]]]]] "
+"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<return_code>\" [\"<post_action>\"]]]]]] "
 "|| addinput [<hook>] || input|output|recreate <name> || set <name> <option> "
 "<value> || rename|copy <name> <new_name> || enable|disable|toggle [<name>|-"
 "all [<name>...]] || restart <name>|-all [<name>...] || show <name> || del "
diff --git a/po/es.po b/po/es.po
index 10b7f6cd4..d5d5b1ec8 100644
--- a/po/es.po
+++ b/po/es.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-26 21:34+0200\n"
 "Last-Translator: Santiago Forero <santiago@forero.xyz>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -10439,13 +10439,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC host (como `:apodo!nombre@servidor.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -12121,6 +12123,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "obtiene el nombre del color del apodo"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "obtiene el código del color del apodo"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"color para los apodos (lista de colores separadas por comas, color de fondo "
+"es permitido siguiendo el formato \"fg:bg\", por ejemplo: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "obtiene el nombre del color del apodo"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/po/fr.po b/po/fr.po
index 8477bee6d..6a5fd61a1 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -21,8 +21,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
-"PO-Revision-Date: 2023-08-24 11:30+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
+"PO-Revision-Date: 2023-08-24 18:18+0200\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -11847,22 +11847,26 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "host IRC (comme `:pseudo!nom@serveur.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
-"retourne le code couleur du pseudo (le pseudo est d'abord converti en "
-"minuscules, en suivant la valeur de CASEMAPPING sur le serveur, par défaut "
-"\"rfc1459\" si le serveur n'est pas fourni)"
+"retourne le code couleur du pseudo, en ignorant la casse (cela appelle "
+"l'info \"nick_color_ignore_case\" avec l'intervalle approprié, selon la "
+"valeur de CASEMAPPING sur le serveur, par défaut \"rfc1459\" si le serveur "
+"n'est pas fourni)"
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
-"retourne le nom de la couleur du pseudo (le pseudo est d'abord converti en "
-"minuscules, en suivant la valeur de CASEMAPPING sur le serveur, par défaut "
-"\"rfc1459\" si le serveur n'est pas fourni)"
+"retourne le nom de la couleur du pseudo, en ignorant la casse (cela appelle "
+"l'info \"nick_color_name_ignore_case\" avec l'intervalle approprié, selon la "
+"valeur de CASEMAPPING sur le serveur, par défaut \"rfc1459\" si le serveur "
+"n'est pas fourni)"
 
 msgid "get buffer pointer for an IRC server/channel/nick"
 msgstr "retourne le pointeur vers le tampon pour un serveur/canal/pseudo IRC"
@@ -13548,6 +13552,26 @@ msgstr ""
 msgid "get nick color name"
 msgstr "retourne le nom de la couleur du pseudo"
 
+msgid "get nick color code, ignoring case"
+msgstr "retourne le code couleur du pseudo, en ignorant la casse"
+
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"pseudo;intervalle;couleurs (l'intervalle est un nombre de caractères (voir "
+"la fonction strcasecmp_range, 0 = convertir en minuscules sans utiliser "
+"d'intervalle), couleurs est une liste de couleurs facultative, séparée par "
+"des virgules ; un fond est autorisé pour la couleur avec le format texte:"
+"fond ; si couleurs est présent, les options WeeChat avec les couleurs de "
+"pseudos et couleurs forcées de pseudos sons ignorées)"
+
+msgid "get nick color name, ignoring case"
+msgstr "retourne le nom de la couleur du pseudo, en ignorant la casse"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "Durée de fonctionnement de WeeChat (format : \"jours:hh:mm:ss\")"
 
diff --git a/po/hu.po b/po/hu.po
index 3136d5653..8409a5d07 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Andras Voroskoi <voroskoi@frugalware.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -9147,13 +9147,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr ""
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -10755,6 +10757,23 @@ msgstr "idő színe a beszédablakban"
 msgid "get nick color name"
 msgstr "üzenetek színe"
 
+#, fuzzy
+msgid "get nick color code, ignoring case"
+msgstr "üzenetek színe"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr "idő színe a beszédablakban"
+
+#, fuzzy
+msgid "get nick color name, ignoring case"
+msgstr "üzenetek színe"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/po/it.po b/po/it.po
index 5f5094e05..6bbb64895 100644
--- a/po/it.po
+++ b/po/it.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-26 21:34+0200\n"
 "Last-Translator: Esteban I. Ruiz Moreno <exio4.com@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -10169,13 +10169,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "host IRC (come `:nick!nome@server.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -11841,6 +11843,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "ottiene il nome del colore del nick"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "ottiene il codice del colore del nick"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"colore del testo per i nick (elenco separato da virgole di colori, quello di "
+"sfondo è consentito con il formato \"fg:bg\", ad esempio: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "ottiene il nome del colore del nick"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/po/ja.po b/po/ja.po
index 38bb0f59e..a8ea7c0a2 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-08-08 07:13+0200\n"
 "Last-Translator: AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>\n"
 "Language-Team: Japanese <https://github.com/l/weechat/tree/master/"
@@ -11373,13 +11373,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC ホスト (例: `:nick!name@server.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -13064,6 +13066,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "ニックネームの色名を取得"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "ニックネームの色コードを取得"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"ニックネームのテキスト色 (コンマ区切りの色リスト、背景色は以下の書式で指定: "
+"\"fg:bg\"、例: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "ニックネームの色名を取得"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "WeeChat 連続稼働時間 (書式: \"days:hh:mm:ss\")"
 
diff --git a/po/pl.po b/po/pl.po
index 71b2d6512..301ca138a 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-08-08 07:13+0200\n"
 "Last-Translator: Krzysztof Korościk <soltys@soltys.info>\n"
 "Language-Team: Polish <kde-i18n-doc@kde.org>\n"
@@ -12580,13 +12580,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "Host IRC (jak `:nick!nazwa@serwer.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -14293,6 +14295,34 @@ msgstr ""
 msgid "get nick color name"
 msgstr "pobiera nazwę koloru nicka"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "pobiera kod koloru nicka"
+
+#, fuzzy
+#| msgid ""
+#| "nickname;colors (colors is an optional comma-separated list of colors to "
+#| "use; background is allowed for a color with format text:background; if "
+#| "colors is present, WeeChat options with nick colors and forced nick "
+#| "colors are ignored)"
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"nick;kolory (kolory są opcjonalną oddzieloną przecinkami listą kolorów do "
+"użycia; tło dla koloru można ustawić używając formatu text:tło; jeśli kolory "
+"są zdefiniowane, opcje WeeChat dla kolorów nicków i wymuszonych kolorów "
+"nicków są ignorowane)"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "pobiera nazwę koloru nicka"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "Uptime WeeChat (format: \"dni:hh:mm:ss\")"
 
diff --git a/po/pt.po b/po/pt.po
index 72c5421f1..4e0b4686e 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-26 21:34+0200\n"
 "Last-Translator: Vasco Almeida <vascomalmeida@sapo.pt>\n"
 "Language-Team: Portuguese <>\n"
@@ -11122,13 +11122,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "host de IRC (tal como `:nick!nome@servidor.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -12809,6 +12811,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "obter nome da cor do nick"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "obter código de cor do nick"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"cor do texto dos nicks (lista de cores separadas por vírgula, o fundo pode "
+"ser indicado com o formato: \"texto:fundo\", por exemplo: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "obter nome da cor do nick"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "WeeChat uptime (formato: \"dias:hh:mm:ss\")"
 
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 071ffe4fd..0ad2eedaa 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-26 21:34+0200\n"
 "Last-Translator: Érico Nogueira <ericonr@disroot.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -9716,13 +9716,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "host IRC (exemplo: `:apelido!nome@servidor.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -11347,6 +11349,27 @@ msgstr ""
 msgid "get nick color name"
 msgstr "obter nome da cor do apelido"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "obter código de cor do apelido"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"cor do texto para apelidos (lista de cores separada por vírgulas, fundo é "
+"permitido com o formato: \"fg:bg\", por exemplo: \"lightred:blue\")"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "obter nome da cor do apelido"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/po/ru.po b/po/ru.po
index 89a31c1e0..64830f8cf 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Aleksey V Zapparov AKA ixti <ixti@member.fsf.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -9184,13 +9184,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr ""
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -10793,6 +10795,23 @@ msgstr "цвет времени в окне чата"
 msgid "get nick color name"
 msgstr "цвет чата"
 
+#, fuzzy
+msgid "get nick color code, ignoring case"
+msgstr "цвет чата"
+
+#, fuzzy
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr "цвет времени в окне чата"
+
+#, fuzzy
+msgid "get nick color name, ignoring case"
+msgstr "цвет чата"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/po/sr.po b/po/sr.po
index ff5995427..920e1bd04 100644
--- a/po/sr.po
+++ b/po/sr.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-08-08 07:14+0200\n"
 "Last-Translator: Ivan Pešić <ivan.pesic@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -11626,13 +11626,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC хост (као `:надимак!име@сервер.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -13308,6 +13310,34 @@ msgstr ""
 msgid "get nick color name"
 msgstr "враћање имена боје надимка"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "враћање кода боје надимка"
+
+#, fuzzy
+#| msgid ""
+#| "nickname;colors (colors is an optional comma-separated list of colors to "
+#| "use; background is allowed for a color with format text:background; if "
+#| "colors is present, WeeChat options with nick colors and forced nick "
+#| "colors are ignored)"
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"надимак;боје (боје је необавезна листа боја раздвојених запетама које треба "
+"да се користе; за боју је дозвољена позадина у формату текст:позадина; ако "
+"су боје присутне, WeeChat опције везане за боју надимака и форсирање боја за "
+"надимке се игноришу)"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "враћање имена боје надимка"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "WeeChat време извршавања (формат: „дана:чч:мм:сс”)"
 
diff --git a/po/tr.po b/po/tr.po
index 10e8d659e..61806995b 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2023-08-08 07:14+0200\n"
 "Last-Translator: Emir SARI <emir_sari@icloud.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -12065,13 +12065,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr "IRC makinesi (örneğin: `:nick!name@server.com`)"
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -13762,6 +13764,34 @@ msgstr ""
 msgid "get nick color name"
 msgstr "takma ad renk adı al"
 
+#, fuzzy
+#| msgid "get nick color code"
+msgid "get nick color code, ignoring case"
+msgstr "takma ad renk kodu al"
+
+#, fuzzy
+#| msgid ""
+#| "nickname;colors (colors is an optional comma-separated list of colors to "
+#| "use; background is allowed for a color with format text:background; if "
+#| "colors is present, WeeChat options with nick colors and forced nick "
+#| "colors are ignored)"
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+"nickname;colors (colors, kullanılacak renklerin virgülle ayrılmış bir "
+"listesidir; text:background biçimi ile bir renk için arka plana izin "
+"verilir; eğer renkler mevcutsa takma ad renkleri ve zorlanan takma ad "
+"renkleri içeren WeeChat seçenekleri yok sayılır)"
+
+#, fuzzy
+#| msgid "get nick color name"
+msgid "get nick color name, ignoring case"
+msgstr "takma ad renk adı al"
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr "WeeChat çalışma süresi (biçim: \"gün:sa:dk:sn\""
 
diff --git a/po/weechat.pot b/po/weechat.pot
index fd0f3609c..52120c5ad 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-08-24 11:29+0200\n"
+"POT-Creation-Date: 2023-08-24 18:16+0200\n"
 "PO-Revision-Date: 2014-08-16 10:27+0200\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -8210,13 +8210,15 @@ msgid "IRC host (like `:nick!name@server.com`)"
 msgstr ""
 
 msgid ""
-"get nick color code (nick is first converted to lower case, following the "
-"value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
-"is not given)"
+"get nick color code, ignoring case (this calls the info "
+"\"nick_color_ignore_case\" with appropriate range, according to the value of "
+"CASEMAPPING on the server, defaulting to \"rfc1459\" if the server is not "
+"given)"
 msgstr ""
 
 msgid ""
-"get nick color name (nick is first converted to lower case, following the "
+"get nick color name, ignoring case (this calls the info "
+"\"nick_color_name_ignore_case\" with appropriate range, according to the "
 "value of CASEMAPPING on the server, defaulting to \"rfc1459\" if the server "
 "is not given)"
 msgstr ""
@@ -9725,6 +9727,20 @@ msgstr ""
 msgid "get nick color name"
 msgstr ""
 
+msgid "get nick color code, ignoring case"
+msgstr ""
+
+msgid ""
+"nickname;range;colors (range is a number of chars (see function "
+"strcasecmp_range, 0 = convert to lower case without using a range), colors "
+"is an optional comma-separated list of colors to use; background is allowed "
+"for a color with format text:background; if colors is present, WeeChat "
+"options with nick colors and forced nick colors are ignored)"
+msgstr ""
+
+msgid "get nick color name, ignoring case"
+msgstr ""
+
 msgid "WeeChat uptime (format: \"days:hh:mm:ss\")"
 msgstr ""
 
diff --git a/src/core/wee-string.c b/src/core/wee-string.c
index 83ee9e63c..ab0bee82e 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -394,6 +394,70 @@ string_toupper (const char *string)
     return string_dyn_free (result, 0);
 }
 
+/*
+ * Converts string to lower case (using a range of chars).
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+string_tolower_range (const char *string, int range)
+{
+    char *result, *ptr_result;
+
+    if (!string)
+        return NULL;
+
+    if (range <= 0)
+        return string_tolower (string);
+
+    result = strdup (string);
+    if (!result)
+        return NULL;
+
+    ptr_result = result;
+    while (ptr_result && ptr_result[0])
+    {
+        if ((ptr_result[0] >= 'A') && (ptr_result[0] < 'A' + range))
+            ptr_result[0] += ('a' - 'A');
+        ptr_result = (char *)utf8_next_char (ptr_result);
+    }
+
+    return result;
+}
+
+/*
+ * Converts string to upper case (using a range of char).
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+string_toupper_range (const char *string, int range)
+{
+    char *result, *ptr_result;
+
+    if (!string)
+        return NULL;
+
+    if (range <= 0)
+        return string_toupper (string);
+
+    result = strdup (string);
+    if (!result)
+        return NULL;
+
+    ptr_result = result;
+    while (ptr_result && ptr_result[0])
+    {
+        if ((ptr_result[0] >= 'a') && (ptr_result[0] < 'a' + range))
+            ptr_result[0] -= ('a' - 'A');
+        ptr_result = (char *)utf8_next_char (ptr_result);
+    }
+
+    return result;
+}
+
 /*
  * Compares two chars (case sensitive).
  *
diff --git a/src/core/wee-string.h b/src/core/wee-string.h
index 19c616e5e..522d3e440 100644
--- a/src/core/wee-string.h
+++ b/src/core/wee-string.h
@@ -44,6 +44,8 @@ extern char *string_reverse_screen (const char *string);
 extern char *string_repeat (const char *string, int count);
 extern char *string_tolower (const char *string);
 extern char *string_toupper (const char *string);
+extern char *string_tolower_range (const char *string, int range);
+extern char *string_toupper_range (const char *string, int range);
 extern int string_charcmp (const char *string1, const char *string2);
 extern int string_charcasecmp (const char *string1, const char *string2);
 extern int string_charcasecmp_range (const char *string1, const char *string2,
diff --git a/src/gui/gui-nick.c b/src/gui/gui-nick.c
index 75712a654..6b4152664 100644
--- a/src/gui/gui-nick.c
+++ b/src/gui/gui-nick.c
@@ -243,6 +243,10 @@ gui_nick_strdup_for_color (const char *nickname)
 /*
  * Finds a color name for a nick (according to nick letters).
  *
+ * If case_range < 0, nick is case sensitive.
+ * If case_range == 0, nick is converted to lower case (with string_tolower).
+ * If case_range > 0, nick is converted to lower case (with string_tolower_range).
+ *
  * If colors is NULL (most common case), the color returned is either a forced
  * color (from option "weechat.look.nick_color_force") or a color from option
  * "weechat.color.chat_nick_colors".
@@ -258,16 +262,18 @@ gui_nick_strdup_for_color (const char *nickname)
  */
 
 char *
-gui_nick_find_color_name (const char *nickname, const char *colors)
+gui_nick_find_color_name (const char *nickname, int case_range,
+                          const char *colors)
 {
     int color, num_colors;
-    char *nickname2, **list_colors, *result;
+    char *nickname2, *nickname3, **list_colors, *result;
     const char *forced_color, *ptr_result;
     static char *default_color = "default";
 
     list_colors = NULL;
     num_colors = 0;
     nickname2 = NULL;
+    nickname3 = NULL;
     ptr_result = NULL;
 
     if (!nickname || !nickname[0])
@@ -281,12 +287,13 @@ gui_nick_find_color_name (const char *nickname, const char *colors)
     }
 
     nickname2 = gui_nick_strdup_for_color (nickname);
+    if (!nickname2)
+        goto end;
 
     if (!list_colors)
     {
         /* look if color is forced for the nick */
-        forced_color = gui_nick_get_forced_color (
-            (nickname2) ? nickname2 : nickname);
+        forced_color = gui_nick_get_forced_color (nickname2);
         if (forced_color)
         {
             ptr_result = forced_color;
@@ -299,9 +306,18 @@ gui_nick_find_color_name (const char *nickname, const char *colors)
             goto end;
     }
 
+    if (case_range < 0)
+        nickname3 = strdup (nickname2);
+    else if (case_range == 0)
+        nickname3 = string_tolower (nickname2);
+    else
+        nickname3 = string_tolower_range (nickname2, case_range);
+    if (!nickname3)
+        goto end;
+
     /* hash nickname to get color */
     color = gui_nick_hash_color (
-        (nickname2) ? nickname2 : nickname,
+        nickname3,
         (list_colors) ? num_colors : config_num_nick_colors);
     ptr_result = (list_colors) ?
         list_colors[color] : config_nick_colors[color];
@@ -312,12 +328,18 @@ end:
         string_free_split (list_colors);
     if (nickname2)
         free (nickname2);
+    if (nickname3)
+        free (nickname3);
     return result;
 }
 
 /*
  * Finds a color code for a nick (according to nick letters).
  *
+ * If case_range < 0, nick is case sensitive.
+ * If case_range == 0, nick is converted to lower case (with string_tolower).
+ * If case_range > 0, nick is converted to lower case (with string_tolower_range).
+ *
  * If colors is NULL (most common case), the color returned is either a forced
  * color (from option "weechat.look.nick_color_force") or a color from option
  * "weechat.color.chat_nick_colors".
@@ -333,12 +355,12 @@ end:
  */
 
 char *
-gui_nick_find_color (const char *nickname, const char *colors)
+gui_nick_find_color (const char *nickname, int case_range, const char *colors)
 {
     char *color;
     const char *ptr_result;
 
-    color = gui_nick_find_color_name (nickname, colors);
+    color = gui_nick_find_color_name (nickname, case_range, colors);
     ptr_result = gui_color_get_custom (color);
     if (color)
         free (color);
diff --git a/src/gui/gui-nick.h b/src/gui/gui-nick.h
index 45d88afa5..64f7b2c18 100644
--- a/src/gui/gui-nick.h
+++ b/src/gui/gui-nick.h
@@ -20,9 +20,9 @@
 #ifndef WEECHAT_GUI_NICK_H
 #define WEECHAT_GUI_NICK_H
 
-extern char *gui_nick_find_color_name (const char *nickname,
+extern char *gui_nick_find_color_name (const char *nickname, int case_range,
                                        const char *colors);
-extern char *gui_nick_find_color (const char *nickname,
+extern char *gui_nick_find_color (const char *nickname, int case_range,
                                   const char *colors);
 
 #endif /* WEECHAT_GUI_NICK_H */
diff --git a/src/plugins/irc/irc-info.c b/src/plugins/irc/irc-info.c
index e3318d416..ebd0265cd 100644
--- a/src/plugins/irc/irc-info.c
+++ b/src/plugins/irc/irc-info.c
@@ -1259,15 +1259,17 @@ irc_info_init ()
         &irc_info_info_irc_nick_from_host_cb, NULL, NULL);
     weechat_hook_info (
         "irc_nick_color",
-        N_("get nick color code (nick is first converted to lower case, "
-           "following the value of CASEMAPPING on the server, "
+        N_("get nick color code, ignoring case (this calls the info "
+           "\"nick_color_ignore_case\" with appropriate range, according "
+           "to the value of CASEMAPPING on the server, "
            "defaulting to \"rfc1459\" if the server is not given)"),
         N_("server,nickname (server is optional)"),
         &irc_info_info_irc_nick_color_cb, NULL, NULL);
     weechat_hook_info (
         "irc_nick_color_name",
-        N_("get nick color name (nick is first converted to lower case, "
-           "following the value of CASEMAPPING on the server, "
+        N_("get nick color name, ignoring case (this calls the info "
+           "\"nick_color_name_ignore_case\" with appropriate range, according "
+           "to the value of CASEMAPPING on the server, "
            "defaulting to \"rfc1459\" if the server is not given)"),
         N_("server,nickname (server is optional)"),
         &irc_info_info_irc_nick_color_name_cb, NULL, NULL);
diff --git a/src/plugins/irc/irc-nick.c b/src/plugins/irc/irc-nick.c
index f593c9312..286907999 100644
--- a/src/plugins/irc/irc-nick.c
+++ b/src/plugins/irc/irc-nick.c
@@ -141,15 +141,20 @@ irc_nick_is_nick (struct t_irc_server *server, const char *string)
 char *
 irc_nick_find_color (struct t_irc_server *server, const char *nickname)
 {
-    char *nickname_lower, *result;
+    char str_args[4096];
+    int casemapping, range;
 
-    nickname_lower = irc_server_string_tolower (server, nickname);
-    if (!nickname_lower)
-        return NULL;
+    casemapping = (server) ? server->casemapping : -1;
+    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
+        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
+    range = irc_server_casemapping_range[casemapping];
 
-    result = weechat_info_get ("nick_color", nickname_lower);
-    free (nickname_lower);
-    return result;
+    snprintf (str_args, sizeof (str_args),
+              "%s;%d",
+              (nickname) ? nickname : "",
+              range);
+
+    return weechat_info_get ("nick_color_ignore_case", str_args);
 }
 
 /*
@@ -161,15 +166,20 @@ irc_nick_find_color (struct t_irc_server *server, const char *nickname)
 char *
 irc_nick_find_color_name (struct t_irc_server *server, const char *nickname)
 {
-    char *nickname_lower, *result;
+    char str_args[4096];
+    int casemapping, range;
 
-    nickname_lower = irc_server_string_tolower (server, nickname);
-    if (!nickname_lower)
-        return NULL;
+    casemapping = (server) ? server->casemapping : -1;
+    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
+        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
+    range = irc_server_casemapping_range[casemapping];
 
-    result = weechat_info_get ("nick_color_name", nickname_lower);
-    free (nickname_lower);
-    return result;
+    snprintf (str_args, sizeof (str_args),
+              "%s;%d",
+              (nickname) ? nickname: "",
+              range);
+
+    return weechat_info_get ("nick_color_name_ignore_case", str_args);
 }
 
 /*
diff --git a/src/plugins/irc/irc-server.c b/src/plugins/irc/irc-server.c
index 1c4106796..2cd37d1ff 100644
--- a/src/plugins/irc/irc-server.c
+++ b/src/plugins/irc/irc-server.c
@@ -333,72 +333,6 @@ irc_server_strncasecmp (struct t_irc_server *server,
     return weechat_strncasecmp_range (string1, string2, max, range);
 }
 
-/*
- * Converts string to lower case, following server casemapping.
- *
- * Note: result must be freed after use.
- */
-
-char *
-irc_server_string_tolower (struct t_irc_server *server, const char *string)
-{
-    char *result, *ptr_result;
-    int casemapping, range;
-
-    if (!string)
-        return NULL;
-
-    casemapping = (server) ? server->casemapping : -1;
-    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
-        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
-
-    range = irc_server_casemapping_range[casemapping];
-
-    result = strdup (string);
-    ptr_result = result;
-    while (ptr_result && ptr_result[0])
-    {
-        if ((ptr_result[0] >= 'A') && (ptr_result[0] < 'A' + range))
-            ptr_result[0] += ('a' - 'A');
-        ptr_result = (char *)weechat_utf8_next_char (ptr_result);
-    }
-
-    return result;
-}
-
-/*
- * Converts string to upper case, following server casemapping.
- *
- * Note: result must be freed after use.
- */
-
-char *
-irc_server_string_toupper (struct t_irc_server *server, const char *string)
-{
-    char *result, *ptr_result;
-    int casemapping, range;
-
-    if (!string)
-        return NULL;
-
-    casemapping = (server) ? server->casemapping : -1;
-    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
-        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
-
-    range = irc_server_casemapping_range[casemapping];
-
-    result = strdup (string);
-    ptr_result = result;
-    while (ptr_result && ptr_result[0])
-    {
-        if ((ptr_result[0] >= 'a') && (ptr_result[0] < 'a' + range))
-            ptr_result[0] -= ('a' - 'A');
-        ptr_result = (char *)weechat_utf8_next_char (ptr_result);
-    }
-
-    return result;
-}
-
 /*
  * Evaluates a string using the server as context:
  * ${irc_server.xxx} and ${server} are replaced by a server option and the
diff --git a/src/plugins/irc/irc-server.h b/src/plugins/irc/irc-server.h
index 4ae647ed2..054516a8f 100644
--- a/src/plugins/irc/irc-server.h
+++ b/src/plugins/irc/irc-server.h
@@ -328,6 +328,7 @@ enum t_irc_fingerprint_digest_algo
     IRC_FINGERPRINT_NUM_ALGOS,
 };
 
+extern int irc_server_casemapping_range[];
 extern char *irc_server_prefix_modes_default;
 extern char *irc_server_prefix_chars_default;
 extern char *irc_server_chanmodes_default;
@@ -348,10 +349,6 @@ extern int irc_server_strcasecmp (struct t_irc_server *server,
 extern int irc_server_strncasecmp (struct t_irc_server *server,
                                    const char *string1, const char *string2,
                                    int max);
-extern char *irc_server_string_tolower (struct t_irc_server *server,
-                                        const char *string);
-extern char *irc_server_string_toupper (struct t_irc_server *server,
-                                        const char *string);
 extern char *irc_server_eval_expression (struct t_irc_server *server,
                                          const char *string);
 extern void irc_server_sasl_get_creds (struct t_irc_server *server,
diff --git a/src/plugins/plugin-api-info.c b/src/plugins/plugin-api-info.c
index 86443bf22..4d9f07b42 100644
--- a/src/plugins/plugin-api-info.c
+++ b/src/plugins/plugin-api-info.c
@@ -815,6 +815,7 @@ plugin_api_info_nick_color_cb (const void *pointer, void *data,
 
     result = gui_nick_find_color (
         (num_items >= 1) ? items[0] : NULL,
+        -1,
         (num_items >= 2) ? items[1] : NULL);
 
     if (items)
@@ -844,6 +845,7 @@ plugin_api_info_nick_color_name_cb (const void *pointer, void *data,
 
     result = gui_nick_find_color_name (
         (num_items >= 1) ? items[0] : NULL,
+        -1,
         (num_items >= 2) ? items[1] : NULL);
 
     if (items)
@@ -852,6 +854,84 @@ plugin_api_info_nick_color_name_cb (const void *pointer, void *data,
     return result;
 }
 
+/*
+ * Returns nick color code for a nickname (case ignored using a range of chars).
+ */
+
+char *
+plugin_api_info_nick_color_ignore_case_cb (const void *pointer, void *data,
+                                           const char *info_name,
+                                           const char *arguments)
+{
+    char **items, *result, *error;
+    int num_items, case_range;
+    long number;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+    (void) info_name;
+
+    items = string_split (arguments, ";", NULL, 0, 3, &num_items);
+
+    case_range = -1;
+    if (num_items >= 2)
+    {
+        number = strtol (items[1], &error, 10);
+        if (error && !error[0])
+            case_range = (int)number;
+    }
+
+    result = gui_nick_find_color (
+        (num_items >= 1) ? items[0] : NULL,
+        case_range,
+        (num_items >= 3) ? items[2] : NULL);
+
+    if (items)
+        string_free_split (items);
+
+    return result;
+}
+
+/*
+ * Returns nick color name for a nickname (case ignored using a range of chars).
+ */
+
+char *
+plugin_api_info_nick_color_name_ignore_case_cb (const void *pointer, void *data,
+                                                const char *info_name,
+                                                const char *arguments)
+{
+    char **items, *result, *error;
+    int num_items, case_range;
+    long number;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+    (void) info_name;
+
+    items = string_split (arguments, ";", NULL, 0, 3, &num_items);
+
+    case_range = -1;
+    if (num_items >= 2)
+    {
+        number = strtol (items[1], &error, 10);
+        if (error && !error[0])
+            case_range = (int)number;
+    }
+
+    result = gui_nick_find_color_name (
+        (num_items >= 1) ? items[0] : NULL,
+        case_range,
+        (num_items >= 3) ? items[2] : NULL);
+
+    if (items)
+        string_free_split (items);
+
+    return result;
+}
+
 /*
  * Returns uptime according to the start date and arguments.
  */
@@ -2083,6 +2163,26 @@ plugin_api_info_init ()
                   "options with nick colors and forced nick colors are "
                   "ignored)"),
                &plugin_api_info_nick_color_name_cb, NULL, NULL);
+    hook_info (NULL, "nick_color_ignore_case",
+               N_("get nick color code, ignoring case"),
+               N_("nickname;range;colors (range is a number of chars (see "
+                  "function strcasecmp_range, 0 = convert to lower case without "
+                   "using a range), colors is an optional comma-separated list "
+                  "of colors to use; background is allowed for a color with "
+                  "format text:background; if colors is present, WeeChat "
+                  "options with nick colors and forced nick colors are "
+                  "ignored)"),
+               &plugin_api_info_nick_color_ignore_case_cb, NULL, NULL);
+    hook_info (NULL, "nick_color_name_ignore_case",
+               N_("get nick color name, ignoring case"),
+               N_("nickname;range;colors (range is a number of chars (see "
+                  "function strcasecmp_range, 0 = convert to lower case without "
+                   "using a range), colors is an optional comma-separated list "
+                  "of colors to use; background is allowed for a color with "
+                  "format text:background; if colors is present, WeeChat "
+                  "options with nick colors and forced nick colors are "
+                  "ignored)"),
+               &plugin_api_info_nick_color_name_ignore_case_cb, NULL, NULL);
     hook_info (NULL, "uptime",
                N_("WeeChat uptime (format: \"days:hh:mm:ss\")"),
                N_("\"days\" (number of days) or \"seconds\" (number of "
diff --git a/tests/unit/core/test-core-string.cpp b/tests/unit/core/test-core-string.cpp
index a267a1bc4..11a742161 100644
--- a/tests/unit/core/test-core-string.cpp
+++ b/tests/unit/core/test-core-string.cpp
@@ -217,6 +217,46 @@ TEST(CoreString, ToUpper)
     WEE_TEST_STR("[⛄]", string_toupper ("[⛄]"));
 }
 
+/*
+ * Tests functions:
+ *   string_tolower_range
+ */
+
+TEST(CoreString, ToLowerRange)
+{
+    char *str;
+
+    WEE_TEST_STR(NULL, string_tolower_range (NULL, 0));
+    WEE_TEST_STR(NULL, string_tolower_range (NULL, 30));
+
+    WEE_TEST_STR("", string_tolower_range ("", 0));
+    WEE_TEST_STR("", string_tolower_range ("", 30));
+    WEE_TEST_STR("^[a]ô", string_tolower_range ("^[A]Ô", 0));
+    WEE_TEST_STR("~{a}Ô", string_tolower_range ("^[A]Ô", 30));
+    WEE_TEST_STR("^{a}Ô", string_tolower_range ("^[A]Ô", 29));
+    WEE_TEST_STR("^[a]Ô", string_tolower_range ("^[A]Ô", 26));
+}
+
+/*
+ * Tests functions:
+ *   string_toupper_range
+ */
+
+TEST(CoreString, ToUpperRange)
+{
+    char *str;
+
+    WEE_TEST_STR(NULL, string_toupper_range (NULL, 0));
+    WEE_TEST_STR(NULL, string_toupper_range (NULL, 30));
+
+    WEE_TEST_STR("", string_toupper_range ("", 0));
+    WEE_TEST_STR("", string_toupper_range ("", 30));
+    WEE_TEST_STR("~{A}Ô", string_toupper_range ("~{a}ô", 0));
+    WEE_TEST_STR("^[A]ô", string_toupper_range ("~{a}ô", 30));
+    WEE_TEST_STR("~[A]ô", string_toupper_range ("~{a}ô", 29));
+    WEE_TEST_STR("~{A}ô", string_toupper_range ("~{a}ô", 26));
+}
+
 /*
  * Tests functions:
  *   string_cut
diff --git a/tests/unit/gui/test-gui-nick.cpp b/tests/unit/gui/test-gui-nick.cpp
index ba73e2b64..2e36c4fc4 100644
--- a/tests/unit/gui/test-gui-nick.cpp
+++ b/tests/unit/gui/test-gui-nick.cpp
@@ -65,12 +65,12 @@ extern char *gui_nick_strdup_for_color (const char *nickname);
     if (nick)                                                           \
         free (nick);
 
-#define WEE_FIND_COLOR(__result, __nickname, __colors)                  \
-    color = gui_nick_find_color_name (__nickname, __colors);            \
+#define WEE_FIND_COLOR(__result, __nickname, __range, __colors)         \
+    color = gui_nick_find_color_name (__nickname, __range, __colors);   \
     STRCMP_EQUAL(__result, color);                                      \
     free (color);                                                       \
     result_color = gui_color_get_custom (__result);                     \
-    color = gui_nick_find_color (__nickname, __colors);                 \
+    color = gui_nick_find_color (__nickname, __range, __colors);        \
     STRCMP_EQUAL(result_color, color);                                  \
     free (color);
 
@@ -363,27 +363,41 @@ TEST(GuiNick, FindColor)
     const char *result_color;
     char *color;
 
-    WEE_FIND_COLOR("default", NULL, NULL);
-    WEE_FIND_COLOR("default", "", NULL);
+    WEE_FIND_COLOR("default", NULL, -1, NULL);
+    WEE_FIND_COLOR("default", "", -1, NULL);
 
-    WEE_FIND_COLOR("212", "abcdef", NULL);
-    WEE_FIND_COLOR("92", "abcdefghi", NULL);
+    WEE_FIND_COLOR("212", "abcdef", -1, NULL);
+    WEE_FIND_COLOR("92", "abcdefghi", -1, NULL);
 
     /* with forced color */
     config_file_option_set (config_look_nick_color_force,
                             "abcdef:green;abcdefghi:125", 1);
-    WEE_FIND_COLOR("green", "abcdef", NULL);
-    WEE_FIND_COLOR("125", "abcdefghi", NULL);
+    WEE_FIND_COLOR("green", "abcdef", -1, NULL);
+    WEE_FIND_COLOR("125", "abcdefghi", -1, NULL);
     config_file_option_reset (config_look_nick_color_force, 1);
 
     /* with custom colors */
-    WEE_FIND_COLOR("214", "abcdef", "red,blue,214,magenta");
-    WEE_FIND_COLOR("blue", "abcdefghi", "red,blue,214,magenta");
+    WEE_FIND_COLOR("214", "abcdef", -1, "red,blue,214,magenta");
+    WEE_FIND_COLOR("blue", "abcdefghi", -1, "red,blue,214,magenta");
 
     /* with forced color and custom colors (forced color is ignored) */
     config_file_option_set (config_look_nick_color_force,
                             "abcdef:green;abcdefghi:125", 1);
-    WEE_FIND_COLOR("214", "abcdef", "red,blue,214,magenta");
-    WEE_FIND_COLOR("blue", "abcdefghi", "red,blue,214,magenta");
+    WEE_FIND_COLOR("214", "abcdef", -1, "red,blue,214,magenta");
+    WEE_FIND_COLOR("blue", "abcdefghi", -1, "red,blue,214,magenta");
     config_file_option_reset (config_look_nick_color_force, 1);
+
+    /* with case range */
+    WEE_FIND_COLOR("176", "ABCDEF]^", -1, NULL);
+    WEE_FIND_COLOR("186", "ABCDEF]^", 0, NULL);
+    WEE_FIND_COLOR("174", "ABCDEF]^", 30, NULL);
+    WEE_FIND_COLOR("148", "ABCDEF]^", 29, NULL);
+    WEE_FIND_COLOR("186", "ABCDEF]^", 26, NULL);
+
+    /* with case range and custom colors */
+    WEE_FIND_COLOR("214", "ABCDEF]^", -1, "red,blue,214,magenta,yellow");
+    WEE_FIND_COLOR("yellow", "ABCDEF]^", 0, "red,blue,214,magenta,yellow");
+    WEE_FIND_COLOR("blue", "ABCDEF]^", 30, "red,blue,214,magenta,yellow");
+    WEE_FIND_COLOR("magenta", "ABCDEF]^", 29, "red,blue,214,magenta,yellow");
+    WEE_FIND_COLOR("yellow", "ABCDEF]^", 26, "red,blue,214,magenta,yellow");
 }
diff --git a/tests/unit/plugins/irc/test-irc-nick.cpp b/tests/unit/plugins/irc/test-irc-nick.cpp
index 1d48b3989..6a22879ff 100644
--- a/tests/unit/plugins/irc/test-irc-nick.cpp
+++ b/tests/unit/plugins/irc/test-irc-nick.cpp
@@ -190,17 +190,19 @@ TEST(IrcNick, IrcNickFindColor)
     server = irc_server_alloc ("my_ircd");
     CHECK(server);
 
-    POINTERS_EQUAL(NULL, irc_nick_find_color (NULL, NULL));
-    POINTERS_EQUAL(NULL, irc_nick_find_color_name (NULL, NULL));
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("default"));
 
-    POINTERS_EQUAL(NULL, irc_nick_find_color (server, NULL));
-    POINTERS_EQUAL(NULL, irc_nick_find_color_name (server, NULL));
+    WEE_TEST_STR(str_color, irc_nick_find_color (NULL, NULL));
+    WEE_TEST_STR("default", irc_nick_find_color_name (NULL, NULL));
 
-    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("162"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (NULL, "NICK[A]"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (NULL, "nick{a}"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (NULL, "NICK[A]"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (NULL, "nick{a}"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, NULL));
+    WEE_TEST_STR("default", irc_nick_find_color_name (server, NULL));
+
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("142"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (NULL, "NICK]"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (NULL, "nick}"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (NULL, "NICK]"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (NULL, "nick}"));
 
     snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("lightcyan"));
     WEE_TEST_STR(str_color, irc_nick_find_color (NULL, "NICK^A"));
@@ -208,11 +210,11 @@ TEST(IrcNick, IrcNickFindColor)
     WEE_TEST_STR("lightcyan", irc_nick_find_color_name (NULL, "NICK^A"));
     WEE_TEST_STR("lightcyan", irc_nick_find_color_name (NULL, "nick~a"));
 
-    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("162"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK[A]"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick{a}"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (server, "NICK[A]"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (server, "nick{a}"));
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("142"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK]"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick}"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (server, "NICK]"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (server, "nick}"));
 
     snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("lightcyan"));
     WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK^A"));
@@ -222,11 +224,11 @@ TEST(IrcNick, IrcNickFindColor)
 
     server->casemapping = IRC_SERVER_CASEMAPPING_STRICT_RFC1459;
 
-    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("162"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK[A]"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick{a}"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (server, "NICK[A]"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (server, "nick{a}"));
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("142"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK]"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick}"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (server, "NICK]"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (server, "nick}"));
 
     snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("176"));
     WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK^A"));
@@ -237,12 +239,12 @@ TEST(IrcNick, IrcNickFindColor)
 
     server->casemapping = IRC_SERVER_CASEMAPPING_ASCII;
 
-    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("212"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK[A]"));
-    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("162"));
-    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick{a}"));
-    WEE_TEST_STR("212", irc_nick_find_color_name (server, "NICK[A]"));
-    WEE_TEST_STR("162", irc_nick_find_color_name (server, "nick{a}"));
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("169"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK]"));
+    snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("142"));
+    WEE_TEST_STR(str_color, irc_nick_find_color (server, "nick}"));
+    WEE_TEST_STR("169", irc_nick_find_color_name (server, "NICK]"));
+    WEE_TEST_STR("142", irc_nick_find_color_name (server, "nick}"));
 
     snprintf (str_color, sizeof (str_color), "%s", gui_color_get_custom ("176"));
     WEE_TEST_STR(str_color, irc_nick_find_color (server, "NICK^A"));
diff --git a/tests/unit/plugins/irc/test-irc-server.cpp b/tests/unit/plugins/irc/test-irc-server.cpp
index 037f14a22..1e22fc1c4 100644
--- a/tests/unit/plugins/irc/test-irc-server.cpp
+++ b/tests/unit/plugins/irc/test-irc-server.cpp
@@ -213,64 +213,6 @@ TEST(IrcServer, Strcasecmp)
     irc_server_free (server);
 }
 
-/*
- * Tests functions:
- *   irc_server_string_tolower
- *   irc_server_string_toupper
- */
-
-TEST(IrcServer, StringToLowerUpper)
-{
-    struct t_irc_server *server;
-    char *str;
-
-    server = irc_server_alloc ("server1");
-    CHECK(server);
-
-    POINTERS_EQUAL(NULL, irc_server_string_tolower (NULL, NULL));
-    POINTERS_EQUAL(NULL, irc_server_string_toupper (NULL, NULL));
-
-    WEE_TEST_STR("", irc_server_string_tolower (NULL, ""));
-    WEE_TEST_STR("", irc_server_string_toupper (NULL, ""));
-
-    WEE_TEST_STR("abcdÉ", irc_server_string_tolower (NULL, "ABCDÉ"));
-    WEE_TEST_STR("ABCDé", irc_server_string_toupper (NULL, "abcdé"));
-
-    WEE_TEST_STR("nick{a}", irc_server_string_tolower (NULL, "NICK[A]"));
-    WEE_TEST_STR("NICK[A]", irc_server_string_toupper (NULL, "nick{a}"));
-    WEE_TEST_STR("nick~a", irc_server_string_tolower (NULL, "NICK^A"));
-    WEE_TEST_STR("NICK^A", irc_server_string_toupper (NULL, "nick~a"));
-    WEE_TEST_STR("nick_Ô", irc_server_string_tolower (NULL, "NICK_Ô"));
-    WEE_TEST_STR("NICK_ô", irc_server_string_toupper (NULL, "nick_ô"));
-
-    WEE_TEST_STR("nick{a}", irc_server_string_tolower (server, "NICK[A]"));
-    WEE_TEST_STR("NICK[A]", irc_server_string_toupper (server, "nick{a}"));
-    WEE_TEST_STR("nick~a", irc_server_string_tolower (server, "NICK^A"));
-    WEE_TEST_STR("NICK^A", irc_server_string_toupper (server, "nick~a"));
-    WEE_TEST_STR("nick_Ô", irc_server_string_tolower (server, "NICK_Ô"));
-    WEE_TEST_STR("NICK_ô", irc_server_string_toupper (server, "nick_ô"));
-
-    server->casemapping = IRC_SERVER_CASEMAPPING_STRICT_RFC1459;
-
-    WEE_TEST_STR("nick{a}", irc_server_string_tolower (server, "NICK[A]"));
-    WEE_TEST_STR("NICK[A]", irc_server_string_toupper (server, "nick{a}"));
-    WEE_TEST_STR("nick^a", irc_server_string_tolower (server, "NICK^A"));
-    WEE_TEST_STR("NICK~A", irc_server_string_toupper (server, "nick~a"));
-    WEE_TEST_STR("nick_Ô", irc_server_string_tolower (server, "NICK_Ô"));
-    WEE_TEST_STR("NICK_ô", irc_server_string_toupper (server, "nick_ô"));
-
-    server->casemapping = IRC_SERVER_CASEMAPPING_ASCII;
-
-    WEE_TEST_STR("nick[a]", irc_server_string_tolower (server, "NICK[A]"));
-    WEE_TEST_STR("NICK{A}", irc_server_string_toupper (server, "nick{a}"));
-    WEE_TEST_STR("nick^a", irc_server_string_tolower (server, "NICK^A"));
-    WEE_TEST_STR("NICK~A", irc_server_string_toupper (server, "nick~a"));
-    WEE_TEST_STR("nick_Ô", irc_server_string_tolower (server, "NICK_Ô"));
-    WEE_TEST_STR("NICK_ô", irc_server_string_toupper (server, "nick_ô"));
-
-    irc_server_free (server);
-}
-
 /*
  * Tests functions:
  *   irc_server_eval_expression