Add hook type "command_run", add new function "string_remove_color" in plugin API (task #9089)

src/core/wee-string.c

@@ -51,6 +51,7 @@
 #include "weechat.h"
 #include "wee-string.h"
 #include "wee-utf8.h"
+#include "../gui/gui-color.h"
 
 
 /*
@@ -1280,3 +1281,13 @@ string_format_size (unsigned long size)
     
     return strdup (str_size);
 }
+
+/*
+ * string_remove_color: remove WeeChat color codes in string
+ */
+
+char *
+string_remove_color (const char *string)
+{
+    return (char *)gui_color_decode ((unsigned char *)string);
+}