Update documentation to reflect Darkfish removal

- README: Remove Darkfish theme instructions, simplify theme section
- CONTRIBUTING: Remove Darkfish from themes and project structure
- AGENTS: Remove Darkfish from structure tree and generators list
- LEGAL: Remove Darkfish, JsonIndex/SDoc, and Fonts sections
- .stylelintrc.json: Remove darkfish CSS from ignoreFiles

Author: st0012

.stylelintrc.json

@@ -1,9 +1,6 @@
 {
   "extends": "stylelint-config-standard",
   "plugins": ["stylelint-value-no-unknown-custom-properties"],
-  "ignoreFiles": [
-    "lib/rdoc/generator/template/darkfish/css/**/*.css"
-  ],
   "rules": {
     "csstools/value-no-unknown-custom-properties": true,
     "custom-property-no-missing-var-function": true,

AGENTS.md

@@ -178,12 +178,10 @@ lib/rdoc/
 │   └── ...
 ├── generator/                 # Documentation generators
 │   ├── aliki.rb               # HTML generator (default theme)
-│   ├── darkfish.rb            # HTML generator (deprecated, will be removed in v8.0)
 │   ├── markup.rb              # Markup format generator
 │   ├── ri.rb                  # RI command generator
 │   └── template/              # ERB templates (.rhtml files)
-│       ├── aliki/             # Aliki theme (default)
-│       └── darkfish/          # Darkfish theme (deprecated)
+│       └── aliki/             # Aliki theme
 ├── markup/                    # Markup parsing and formatting
 ├── code_object/               # AST objects for documented items
 ├── markdown/                  # Markdown parsing
@@ -230,7 +228,7 @@ exe/
 ### Pluggable System
 
 - **Parsers:** Ruby, C, Markdown, RD, Prism-based Ruby (experimental)
-- **Generators:** HTML/Aliki (default), HTML/Darkfish (deprecated), RI, POT (gettext), JSON, Markup
+- **Generators:** HTML/Aliki (default), RI, POT (gettext), Markup
 
 ## Common Workflows
 
@@ -317,7 +315,7 @@ When editing markup reference documentation, such as `doc/markup_reference/markd
 
 ### Modifying Themes/Styling
 
-When making changes to theme CSS or templates (e.g., Darkfish or Aliki themes):
+When making changes to theme CSS or templates:
 
 1. **Generate documentation**: Run `bundle exec rake rerdoc` to create baseline
 2. **Start HTTP server**: Run `cd _site && python3 -m http.server 8000` (use different port if 8000 is in use)

CONTRIBUTING.md

@@ -143,14 +143,9 @@ bundle exec rake coverage
 
 ## Themes
 
-RDoc ships with two HTML themes:
+RDoc ships with the **Aliki** HTML theme, a modern theme with improved styling and navigation.
 
-- **Aliki** (default) - Modern theme with improved styling and navigation
-- **Darkfish** (deprecated) - Classic theme, will be removed in v8.0
-
-New feature development should focus on the Aliki theme. Darkfish will continue to receive bug fixes but no new features.
-
-Theme templates are located at `lib/rdoc/generator/template/<theme>/`.
+Theme templates are located at `lib/rdoc/generator/template/aliki/`.
 
 ## Project Structure
 
@@ -166,12 +161,10 @@ lib/rdoc/
 │   └── ...
 ├── generator/                 # Documentation generators
 │   ├── aliki.rb               # HTML generator (default theme)
-│   ├── darkfish.rb            # HTML generator (deprecated, will be removed in v8.0)
 │   ├── markup.rb              # Markup format generator
 │   ├── ri.rb                  # RI command generator
 │   └── template/              # ERB templates
-│       ├── aliki/             # Aliki theme (default)
-│       └── darkfish/          # Darkfish theme (deprecated)
+│       └── aliki/             # Aliki theme
 ├── markup/                    # Markup parsing and formatting
 ├── code_object/               # AST objects for documented items
 ├── markdown.kpeg              # Parser source (edit this)

LEGAL.rdoc

@@ -10,26 +10,9 @@ Aliki::
   * lib/rdoc/generator/aliki.rb
   * lib/rdoc/generator/template/aliki/*
 
-Darkfish::
-  Darkfish was written by Michael Granger and is included under the BSD 3-Clause
-  license.  Darkfish contains images from the Silk Icons set by Mark James.
-
-  See lib/rdoc/generator/darkfish.rb for license information.
-
-  * lib/rdoc/generator/darkfish.rb
-  * lib/rdoc/generator/template/darkfish/*
-  * lib/rdoc/generator/template/darkfish/images
-
 SDoc::
-  Portions of SDoc by (Володя Колесников) Vladimir Kolesnikov are included
-  under the MIT license as RDoc::Generator::JsonIndex.  See
-  lib/rdoc/generator/json_index.rb for license information.
-
-  * lib/rdoc/generator/json_index.rb
-  * lib/rdoc/generator/template/json_index/*
-  * The +#search_index+ methods on RDoc::CodeObject subclasses were derived
-    from sdoc.
-  * RDoc::ClassModule#document_self_or_methods comes from SDoc.
+  RDoc::ClassModule#document_self_or_methods comes from SDoc by
+  (Володя Колесников) Vladimir Kolesnikov, included under the MIT license.
 
 peg-markdown::
   RDoc's Markdown support is derived from peg-markdown by John MacFarlane.  It
@@ -42,15 +25,3 @@ MarkdownTest::
   same terms as Perl itself.
 
   See http://dev.perl.org/licenses/ for the terms of the Perl license.
-
-Fonts::
-  Source Code Pro is (c) 2010, 2012 Adobe Systems Incorporated.
-
-  Lato is (c) 2010 Łukasz Dziedzic.
-
-  Both fonts are used under the SIL Open Font License, Version 1.1.  The
-  license is available at http://scripts.sil.org/OFL
-
-  See lib/rdoc/generator/template/darkfish/fonts.css for complete copyright
-  and license information, including a copy of the OFL.
-

README.md

@@ -156,22 +156,7 @@ To determine how well your project is documented run `rdoc -C lib` to get a docu
 
 ## Theme Options
 
-RDoc ships with two built-in themes:
-
-- **Aliki** (default) - A modern, clean theme with improved navigation and search
-- **Darkfish** (deprecated) - The classic theme, will be removed in v8.0
-
-To use the Darkfish theme instead of the default Aliki theme:
-
-```shell
-rdoc --format darkfish
-```
-
-Or in your `.rdoc_options` file:
-
-```yaml
-generator_name: darkfish
-```
+RDoc ships with the **Aliki** theme, a modern, clean theme with improved navigation and search.
 
 There are also a few community-maintained themes for RDoc: