- Enabled multiple base documents.

- Removed temporary cropped PDFs from TIDY_FILES, as they are no longer ...

generated.

- Removed workarounds for Inkscape export issuse, as these now appear to ...

have been fixed.

- Changed TIDY_FILES to delete temporary cropped PDFs.

- Fixed half-broken pdfcrop rules.

- Altered pdfcrop rules slightly. ...

- Added general rule for R -> PDF.

- Added a blurred version of the watermark rule, and made both versions ...

consistent.

- Added documentation on alternative uses of the SLIDES, etc., variables.

- Added rule for generating blurred slide background images.

- Added rules for PNG from PNG (via renaming). ...

- Added rule for zoomed (144dpi) PNG from SVG.
- Added workaround for Inkscape PNG export bug.

- Removed --export-text-to-path option, as it's no longer required (or ...

even desirable) with Inkscape 0.47.

- Removed obsolete OmniGraffle references.

- Removed obsolete OmniGraffle rules.

- Removed obsolete prerequisites.

- Updated makefiles for new common infrastructure.

- Changed build rules for notes, as they are now a source file in their ...

own right.

- Added paper and chapter variables files to prerequisites.

- Fixed output location of exports from Inkscape (was current location, now ...

IMGDIR).

- Added combined infrastructure variables to prerequisities of combined target.

- Fixed combined prerequisite variable names (d'oh!)

- Fixed figures prerequisite (put in FIG_IMAGES instead of FIG_FILES). ...

- Added variables for combined document prerequisites.

- Added infrastructure files for figures and fixed slides variable.

- Added default spec for shared infrastructure files.

- Added cleaning for temporary PDFs.

- Split off various standardised rules.

- Added rules to handle PDF source images.

- Extended targets of various rules. ...

- Added pdfcrop to SVG processing chain (experimental).

- Added Section.Continuation. ...

- Added not null to Lecture.Section_ID (although possibly redundant).
- Commented out test data.

- Added schema for paper calendar database.

- Added INSTALL variables.