UI: remove directory button label in extensions & add doc-string

scripts/startup/bl_ui/space_userpref.py

@@ -2127,7 +2127,7 @@ class USERPREF_PT_extensions_repos(Panel):
                 # Apart from being consistent with the custom directory UI,
                 # prefer a read-only property over a label because this is not necessarily
                 # valid UTF-8 which will raise a Python exception when passed in as text.
-                row.prop(active_repo, "directory")
+                row.prop(active_repo, "directory", text="")
 
             layout_panel.separator()
 

source/blender/blenkernel/BKE_preferences.h

@@ -112,6 +112,9 @@ bUserExtensionRepo *BKE_preferences_extension_repo_find_by_remote_path_prefix(
  * Skip the `https` or `http` part of a URL `https://`, return zero if none is found.
  */
 int BKE_preferences_extension_repo_remote_scheme_end(const char *url);
+/**
+ * Set a name based on a URL, e.g. `https://www.example.com/path` -> `www.example.com`.
+ */
 void BKE_preferences_extension_remote_to_name(const char *remote_path, char name[64]);
 
 int BKE_preferences_extension_repo_get_index(const UserDef *userdef,

source/blender/blenkernel/intern/preferences.cc

@@ -385,7 +385,7 @@ void BKE_preferences_extension_remote_to_name(const char *remote_path,
   while (*c && url_char_is_delimiter(*c)) {
     c++;
   }
-  /* Skip the domain name typically. */
+  /* Skip the domain name. */
   while (*c && !url_char_is_delimiter(*c)) {
     c++;
   }