gnome.yelp(): Default symlink_media to true

docs/markdown/Gnome-module.md

@@ -127,9 +127,11 @@ This also creates two targets for translations `help-$project-update-po` and `he
 
 * `sources`: list of pages
 * `media`: list of media such as images
-* `symlink_media`: if media should be symlinked (requires newish yelp) defaults to `false`
+* `symlink_media`: if media should be symlinked not copied (defaults to `true` since 0.41.0)
 * `languages`: list of languages for translations
 
+Note that very old versions of yelp may not support symlinked media; At least 3.10 should work.
+
 *Added 0.36.0*
 
 ### gnome.gtkdoc()

mesonbuild/modules/gnome.py

@@ -598,7 +598,7 @@ class GnomeModule(ExtensionModule):
 
         langs = mesonlib.stringlistify(kwargs.pop('languages', []))
         media = mesonlib.stringlistify(kwargs.pop('media', []))
-        symlinks = kwargs.pop('symlink_media', False)
+        symlinks = kwargs.pop('symlink_media', True)
 
         if not isinstance(symlinks, bool):
             raise MesonException('symlink_media must be a boolean')