@@ Line 1: / Line 1: @@
 =List of all Categories=
+<!--
-<!-- need to use full links, otherwise this page gets into that category -->
+Need to use full links, otherwise this page gets into that category
+ -or-
+[[:Category:Image processing|image processing]]
+  ^
+-->
 ==Difficulty==
-* [http://rosettacode.org/wiki/Category:Basic_language_learning    Category:Basic language learning]
+* [[:Category:Basic_language_learning             Category:Basic language learning]]
 * [http://rosettacode.org/wiki/Category:Simple                     Category:Simple]
 * [http://rosettacode.org/wiki/Category:Handicap                   Category:Handicap]
@@ Line 57: / Line 62: @@
 * [http://rosettacode.org/wiki/Category:Graphics                   Category:Graphics]
+** [[:Category:Graphics algorithms                                 Category:Graphics algorithms]]
 ** [http://rosettacode.org/wiki/Category:Image_processing           Category:Image processing]
 ** [http://rosettacode.org/wiki/Category:Raster_graphics_operations Category:Raster graphics operations]