Add function "hook_completion_get_string" in plugin API

src/core/wee-hook.c

@@ -2063,6 +2063,17 @@ hook_completion (struct t_weechat_plugin *plugin, const char *completion_item,
     return new_hook;
 }
 
+/*
+ * hook_completion_get_string: get a completion property as string
+ */
+
+const char *
+hook_completion_get_string (struct t_gui_completion *completion,
+                            const char *property)
+{
+    return gui_completion_get_string (completion, property);
+}
+
 /*
  * hook_completion_list_add: add a word for a completion (called by plugins)
  */

src/core/wee-hook.h

@@ -439,6 +439,8 @@ extern struct t_hook *hook_completion (struct t_weechat_plugin *plugin,
                                        const char *description,
                                        t_hook_callback_completion *callback,
                                        void *callback_data);
+extern const char *hook_completion_get_string (struct t_gui_completion *completion,
+                                               const char *property);
 extern void hook_completion_list_add (struct t_gui_completion *completion,
                                       const char *word, int nick_completion,
                                       const char *where);