Poxy

- fixed over-eager link replacement causing text to be deleted

- fixed a crash during HTML post-processing
- fixed `implementation_headers` not working when paths use backslashes
- added warnings when `implementation_headers` doesn't match anything

- added command-line option `--xmlonly`

- fixed regression in `[code_blocks]` functionality
- fixed minor issues in syntax highlighter
- added symbols from doxygen tagfiles to the syntax highlighter
- minor style tweaks

- fixed `.dirs` being glommed as source paths
- added config option `scripts`
- added config option `stylesheets`
- added config option `jquery`
- added `custom` theme
- added ability to use `HOME.md` as main page
- added additional fix for inline `<code>` blocks
- added `.poxy-toc` to table-of-contents elements
- added floating page table-of-contents
- removed m.css favicon fallback
- made improvements to the `light` and `dark` themes
- updated C++ doxygen tagfile

- added config option `theme`
- added version number to CSS and javascript filenames to prevent browser cache issues
- added `POXY_IMPLEMENTATION_DETAIL(...)` magic macro
- added `POXY_IGNORE(...)` magic macro
- fixed alignment of nested images inside detail blocks