- Added ln -s detection.

- Eliminated hyphens from generated numbers.

- Corrected a comment.

- Added xml2xhtml and xml2xelatex stylesheets to global prerequisites.

- Refactored rules for converting bitmap images to support multiple prerequisite ...

file types.
- Added rules for zoomed PNGs for use when drop shadows cause the SVG to PDF
  conversion to freak out.

- Added XCF to PNG conversion.

- Added xcf2png.

- Added some intermediate file cleanup for blurred background image generation.

- Fixed typo in comment.

- Updated to a more elegant way of handling break weeks. ...

- Contiguous break weeks are now coalesced into a single break period.
- Weeks are now keyed off calendar week number rather than week starting date.

- Fixed typo in comments.

- Corrected filename error in comments.

- Added README.

- Switched to new XML entity resolver configuration.

- Added terminating errors if either Saxon-B or the XML entity resolver can't ...

be found.

- Converted the remaining if statements to us AS_IF.

- Added AC_PATH_JARFILE function for locating JAR files under specified paths. ...

- Revamped XSLT processor configuration so that it's not reliant on a correctly
  specified CLASSPATH.
- Added XML entity resolver configuration.

- Added new RESOLVER variable.

- Added makefile to install generated calendar date macros into an appropriate ...

TEXMF tree.

- Added script to generate LaTeX macros corresponding to the dates of lectures ...

in a paper.

- Changed null break_weeks value for summer school to an empty array.

- Added note about suitable output location. ...

- Added support for multiple break weeks in a teaching period.
- Refactored teaching week number generation.

- Added script to generate LaTeX macros for teaching period calendar weeks.

- Rolled back the previous changes as it was going to require much more work ...

to bring things up to date than I expected!

- Whoops, added the underscores to the generated filenames that I'd intended ...

to add.

- Altered the way that filenames are constructed to allow for future filename ...

flexibility. In particular, changed the meaning of $(CHAPTER) from just the
  chapter number to the base chapter name (this works because the value of
  $(CHAPTER) is only used inside this Makefile).

- Added rule to export PNG with transparent background from Inkscape.

- Added Unicode switch support.

- Fixed incorrect MKDIR variables (should be MKDIR_P).

- Added support for new paper-year and paper-period stylesheet parameters. ...

- Fixed an unnoticed typo in the standard rules for generating LaTeX and
  HTML from XML. Obviously they've never been used!