@@ Line 1: / Line 1: @@
 =List of all Categories=
+* [http://rosettacode.org/wiki/Special:Categories        Special:Categories] - page gets created automatically, but is quite unwieldy, and not structured.
+* [http://rosettacode.org/wiki/Special:WantedCategories  Special:WantedCategories]
+<!--
-<!-- 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]]
+* [[:Category:Selection/Short_Circuit/Console_Program_Basics]]
 * [http://rosettacode.org/wiki/Category:Simple                     Category:Simple]
 * [http://rosettacode.org/wiki/Category:Handicap                   Category:Handicap]
 ==Languages+Features==
@@ Line 12: / Line 21: @@
 * [http://rosettacode.org/wiki/Rosetta_Code/Rank_languages_by_popularity Rank languages by popularity]
+* [[:Category:Compilers and Interpreters]] - [[:Category:Compilers]] - [[:Category:Interpreters]]
+* [[:Category:Feature|Programming features]]
+* [[:Category:Programming paradigm]]
+<br>
+* [[:Category: Syntax elements]]
 * [http://rosettacode.org/wiki/Category:Data_Structures            Category:Data Structures]
 ** [http://rosettacode.org/wiki/Category:Basic_Data_Operations     Category:Basic Data Operations]
+* [[:Category:Memory_management]]
+** [http://rosettacode.org/wiki/Category:Type_System               Category:Type System]
-* [http://rosettacode.org/wiki/Category:Arithmetic_operations      Category:Arithmetic operations]
+* [[:Category:Arithmetic]]
+** [http://rosettacode.org/wiki/Category:Arithmetic_operations   Category:Arithmetic operations]
+* [http://rosettacode.org/wiki/Category:Initialization       Category:Initialization]
+* [[:Category:Concurrency]]
 * [http://rosettacode.org/wiki/Category:Control_Structures         Category:Control Structures]
-** [http://rosettacode.org/wiki/Category:Conditional_loops         Category:Conditional loops]
+** [http://rosettacode.org/wiki/Category:Conditional_loops      Category:Conditional loops]
-** [http://rosettacode.org/wiki/Category:Iteration                 Category:Iteration]
+** [http://rosettacode.org/wiki/Category:Iteration                Category:Iteration]
-** [http://rosettacode.org/wiki/Category:Recursion                 Category:Recursion]
+** [http://rosettacode.org/wiki/Category:Recursion                Category:Recursion]
+* [[:Category:Functions_and_subroutines]]
+* [http://rosettacode.org/wiki/Category:Input_Output               Category:Input Output]
+** [[:Category:Keyboard Input]]
+** [http://rosettacode.org/wiki/Category:Hardware                  Category:Hardware]
+** [http://rosettacode.org/wiki/Category:Sound                     Category:Sound]
+** [http://rosettacode.org/wiki/Category:Speech_synthesis          Category:Speech synthesis]
+** [http://rosettacode.org/wiki/Category:Temporal_media            Category:Temporal media]
+* [http://rosettacode.org/wiki/Category:Operating_Systems         Category:Operating Systems]
+* [http://rosettacode.org/wiki/Category:Platforms                 Category:Platforms]
 * [http://rosettacode.org/wiki/Category:File_System_Operations     Category:File System Operations]
 * [http://rosettacode.org/wiki/Category:GUI                        Category:GUI]
+** [[:Category:Library/Toolkit]]
-* [http://rosettacode.org/wiki/Category:Hardware                   Category:Hardware]
 * [http://rosettacode.org/wiki/Category:Matrices                   Category:Matrices]
+* [[:Category:Regular expressions]]
 * [http://rosettacode.org/wiki/Category:String_manipulation        Category:String manipulation]
 * [http://rosettacode.org/wiki/Category:Object_oriented            Category:Object oriented]
-== [http://rosettacode.org/wiki/Category:Programming_Tasks   Category:Programming_Tasks] ==
+== [http://rosettacode.org/wiki/Category:Programming_Tasks      Category:Programming Tasks] ==
 * [http://rosettacode.org/wiki/Category:Draft_Programming_Tasks    Category:Draft Programming Tasks]
+* [[:Category:Solutions by Programming Task]] - also with categories
 * [http://rosettacode.org/wiki/Category:Unimplemented_tasks_by_language  Category:Unimplemented_tasks_by_language]
-* [http://rosettacode.org/wiki/Category:Reduce  Category:Reduce] ??
+* [http://rosettacode.org/wiki/Category:Reduce                    Category:Reduce] ??
 * [http://rosettacode.org/wiki/Category:Examples_needing_attention Category:Examples needing attention]
-<br />
+<br>
-* [http://rosettacode.org/wiki/Category:Classic_CS_problems_and_programs  Category:Classic CS problems and programs]
+* [http://rosettacode.org/wiki/Category:Classic_CS_problems_and_programs Category:Classic CS problems and programs]
-* [http://rosettacode.org/wiki/Category:Date_and_time              Category:Date_and_time]
+* [[:Category:Database operations]]
-* [http://rosettacode.org/wiki/Category:Encryption                 Category:Encryption]
+* [http://rosettacode.org/wiki/Category:Date_and_time              Category:Date and time]
+* [http://rosettacode.org/wiki/Category:Checksums                 Category:Checksums]
+* [http://rosettacode.org/wiki/Category:Compression             Category:Compression]
+* [http://rosettacode.org/wiki/Category:Encryption               Category:Encryption] - [[:Category:Security]]
+* Fun:
+** [http://rosettacode.org/wiki/Category:Games                      Category:Games]
+** [http://rosettacode.org/wiki/Category:Cards                      Category:Cards]
+** [[:Category:Cellular automata]]
+** [http://rosettacode.org/wiki/Category:Puzzles                    Category:Puzzles]
+* [[:Category:3D]]
+** [[:Category:Constructive Solid Geometry]]
+* [http://rosettacode.org/wiki/Category:Graphics                   Category:Graphics]
+** [[:Category:Animation]]
+** [[: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]
+** [http://rosettacode.org/wiki/Category:Fractals                  Category:Fractals]
+* [http://rosettacode.org/wiki/Category:Concurrency             Category:Concurrency]
-* [http://rosettacode.org/wiki/Category:Image_processing           Category:Image processing]
-* [http://rosettacode.org/wiki/Category:Raster_graphics_operations Category:Raster graphics operations]
 * [http://rosettacode.org/wiki/Category:Text_processing            Category:Text processing]
-* [http://rosettacode.org/wiki/Category:Internet_Protocol          Category:Internet Protocol]
-* [http://rosettacode.org/wiki/Category:Networking                 Category:Networking and Web Interaction]
+* [[:Category:Electronics]]
-* [http://rosettacode.org/wiki/Category:Mathematics                Category:Mathematics]
-** [http://rosettacode.org/wiki/Category:Mathematical_operations    Category:Mathematical operations]
-** [http://rosettacode.org/wiki/Category:Discrete_math              Category:Discrete math]
+* [http://rosettacode.org/wiki/Category:Networking             Category:Networking] and Web Interaction
+** [http://rosettacode.org/wiki/Category:Internet_Protocol         Category:Internet Protocol]
+** [http://rosettacode.org/wiki/Category:Web                       Category:Web]
+** [[:Category:XML]]
+* [http://rosettacode.org/wiki/Category:Mathematics             Category:Mathematics]
+** [[:Category:Arbitrary_precision]]
+** [[:Category:GMP]] - GNU Multiple Precision Arithmetic Library
+** [[:Category:Geometric Primitives]]
+** [[:Category:Geometric Subtraction]]
+** [http://rosettacode.org/wiki/Category:Discrete_math             Category:Discrete math]
+** [http://rosettacode.org/wiki/Category:Irrational_numbers      Category:Irrational numbers]
 ** [http://rosettacode.org/wiki/Category:Logic                      Category:Logic]
+** [http://rosettacode.org/wiki/Category:Mathematical_operations Category:Mathematical operations]
+** [[:Category:Prime Numbers]]
 ** [http://rosettacode.org/wiki/Category:Probability_and_statistics Category:Probability and statistics]
+** [[:Category:Randomness]]
 * [http://rosettacode.org/wiki/Category:Programming_environment_operations Category:Programming environment operations]
+**[[:Category:Environment variables]]
 * [http://rosettacode.org/wiki/Category:Sorting_Algorithms         Category:Sorting Algorithms]
+* [[:Category:Testing]] / Category:Software Engineering
+==Tools==
+* [[:Category:ProgrammingTools]]
+** [[:Category:Editor]]
+** [[:Category:Integrated Development Environments]]
-* [http://rosettacode.org/wiki/Category:Games                      Category:Games]
-* [http://rosettacode.org/wiki/Category:Puzzles                    Category:Puzzles]
 ==Misc==
 * [http://rosettacode.org/wiki/Category:Encyclopedia            Category:Encyclopedia]
-* [http://rosettacode.org/wiki/Special:WantedCategories        Special:WantedCategories]
 * [http://rosettacode.org/wiki/Special:MostLinkedCategories Special:MostLinkedCategories]
+==Redundant categories==
+Someone should check these out, and perhaps rename/remove/combine them:
+* [[:Category:Loop modifiers]] - there is [[:Category:Conditional_loops]] already
+* [[:Category:Flow control]]   - we have [[:Category:Control_Structures]] already
+* [[:Category:Branches]]       - we have [[:Category:Control_Structures]] already