Version 0.12, 24 December 2006, Octavio Alvarez.
Fixed "hicolor" lookup in the pseudocode, so it works with multiple parents.
Version 0.11, 7 February 2006, Alexander Larsson.
Fixed icon lookup clarification to work with multiple inheritance.
Version 0.10, 7 February 2006, Alexander Larsson.
Clarify that icon lookup looks in all parent themes before falling back to nonthemed icons.
Added lookup function that takes a list of icon names (FindBestIcon)
Version 0.9, 4 April 2005, Alexander Larsson.
Cleanups and fixes to language from Rodney Dawes and Frans Englich.
Added section describing Contexts in more details (by Frans Englich).
Version 0.8, 5 February 2004, Alexander Larsson.
Fix language problems as pointed out by Rodney Dawes and Michael Terry.
Added background section.
Version 0.7, 13 September 2003, Heinrich Wendel.
Converted to basedir spec.
Changed type of MaxSize, MinSize and Threshold to integer.
Removed typo in code example.
Corrected path to default-icon-theme.
Version 0.6, 2 December 2002, Alexander Larsson.
Added Hidden key.
Removed multiple inheritance.
Renamed the default theme hicolor.
Added the application icon install section.
Fixed some xml issues.
Version 0.5, 18 September 2002, Alexander Larsson.
Added DisplayName to icon data.
Fixed up example svg icon data.
Fixed some spelling and grammar errors.
Version 0.4, 16 May 2002, Alexander Larsson.
Fixed some spelling and grammar errors.
Version 0.3, 14 May 2002, Alexander Larsson.
Made support for SVGs optional.
Added a default fallback theme.
Changed the example directory layout a bit to match the default theme.
Version 0.2, 29 April 2002, Alexander Larsson.
Changed search order to png, svg, xpm.
Added comment to say that xpm is supported for backwards compat and not recommended in new themes.
Default Type for a directory is now Threshold
Added implementation notes section.
Added Example key.
Version 0.1, 22 April 2002, Alexander Larsson.
Created initial draft.