diff --git a/doc/de/autogen/plugin_api/hdata.txt b/doc/de/autogen/plugin_api/hdata.txt
index 6c8de1122..fa8f56a39 100644
--- a/doc/de/autogen/plugin_api/hdata.txt
+++ b/doc/de/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** Update erlaubt:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': Struktur mit Zeilen
 ** Erweiterung: weechat
@@ -810,18 +810,18 @@
 ** Erweiterung: weechat
 ** Variablen:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': Gruppen in Nickliste
 ** Erweiterung: weechat
 ** Variablen:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")
diff --git a/doc/en/autogen/plugin_api/hdata.txt b/doc/en/autogen/plugin_api/hdata.txt
index 3cb1ca8c4..04ef11b96 100644
--- a/doc/en/autogen/plugin_api/hdata.txt
+++ b/doc/en/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** update allowed:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': structure with lines
 ** plugin: weechat
@@ -810,18 +810,18 @@
 ** plugin: weechat
 ** variables:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': group in nicklist
 ** plugin: weechat
 ** variables:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")
diff --git a/doc/fr/autogen/plugin_api/hdata.txt b/doc/fr/autogen/plugin_api/hdata.txt
index 9109636f7..cf62a1ee6 100644
--- a/doc/fr/autogen/plugin_api/hdata.txt
+++ b/doc/fr/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** mise à jour autorisée:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': structure avec des lignes
 ** extension: weechat
@@ -810,18 +810,18 @@
 ** extension: weechat
 ** variables:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': groupe dans la liste de pseudos
 ** extension: weechat
 ** variables:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")
diff --git a/doc/it/autogen/plugin_api/hdata.txt b/doc/it/autogen/plugin_api/hdata.txt
index f61ce9960..6d4373f18 100644
--- a/doc/it/autogen/plugin_api/hdata.txt
+++ b/doc/it/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** update allowed:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': struttura con più righe
 ** plugin: weechat
@@ -810,18 +810,18 @@
 ** plugin: weechat
 ** variables:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': gruppo nella lista nick
 ** plugin: weechat
 ** variables:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")
diff --git a/doc/ja/autogen/plugin_api/hdata.txt b/doc/ja/autogen/plugin_api/hdata.txt
index 8e1fd7d5e..b36c7dd81 100644
--- a/doc/ja/autogen/plugin_api/hdata.txt
+++ b/doc/ja/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** update allowed:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': 行を持つ構造
 ** プラグイン: weechat
@@ -810,18 +810,18 @@
 ** プラグイン: weechat
 ** variables:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': ニックネームリストにあるグループ
 ** プラグイン: weechat
 ** variables:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")
diff --git a/doc/pl/autogen/plugin_api/hdata.txt b/doc/pl/autogen/plugin_api/hdata.txt
index f21b8c932..a7d473809 100644
--- a/doc/pl/autogen/plugin_api/hdata.txt
+++ b/doc/pl/autogen/plugin_api/hdata.txt
@@ -780,18 +780,18 @@
 *** 'date_printed' (time)
 *** 'str_time' (string)
 *** 'tags_count' (integer)
-*** 'tags_array' (string, array_size: "tags_count")
+*** 'tags_array' (shared_string, array_size: "tags_count")
 *** 'displayed' (char)
 *** 'highlight' (char)
 *** 'refresh_needed' (char)
-*** 'prefix' (string)
+*** 'prefix' (shared_string)
 *** 'prefix_length' (integer)
 *** 'message' (string)
 ** aktualizacja dozwolona:
 *** 'date' (time)
 *** 'date_printed' (time)
-*** 'tags_array' (string)
-*** 'prefix' (string)
+*** 'tags_array' (shared_string)
+*** 'prefix' (shared_string)
 *** 'message' (string)
 * 'lines': struktura z liniami
 ** wtyczka: weechat
@@ -810,18 +810,18 @@
 ** wtyczka: weechat
 ** zmienne:
 *** 'group' (pointer, hdata: "nick_group")
-*** 'name' (string)
-*** 'color' (string)
-*** 'prefix' (string)
-*** 'prefix_color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
+*** 'prefix' (shared_string)
+*** 'prefix_color' (shared_string)
 *** 'visible' (integer)
 *** 'prev_nick' (pointer, hdata: "nick")
 *** 'next_nick' (pointer, hdata: "nick")
 * 'nick_group': grupy na liście nicków
 ** wtyczka: weechat
 ** zmienne:
-*** 'name' (string)
-*** 'color' (string)
+*** 'name' (shared_string)
+*** 'color' (shared_string)
 *** 'visible' (integer)
 *** 'level' (integer)
 *** 'parent' (pointer, hdata: "nick_group")