- Update to version 3.59:
* HTML output: Added `white-space: pre-wrap` to pre tag CSS.
* Updated mark_lines.lua plug-in accept a line range as input
parameter and output xterm256 terminal sequences.
* Improved Ruby code folding of the outhtml_codefold plug-in.
* Updated astyle lib to rev 672.
* Added support for reStructured Text (gl#saalen/highlight#170).
* Added support for Rego (openpolicyagent.org).
* Added `outhtml_copy_clipboard.lua` plugin.
* CLI: Adapted default xterm256/truecolor theme to terminal
background colour.
* CLI: Adapted ANSI line numbers to terminal background colour
(gl#saalen/highlight#172).
* CLI: Fixed segfault if the user home directory cannot be
determined (gl#saalen/highlight#171).
* GUI: Initial font set to Monospace.
* GUI: Replaced highlight.xpm by highlight.png icon.
- Rebase optflags patch:
* Remove highlight-3.58-use_optflags.patch.
* Add highlight-3.59-use_optflags.patch.
- Add hicolor-icon-themes as build requirement: Required since move
of highlight-gui icon.