• Added rsync to required tools.

• Added explicit GNU cp, as the --update flag is useful for only copying files when needed.

• Added use of lockfile to ensure that there aren’t multiple copies of sitecopy trying to write to the site state file at once. I’m not convinced that this is actually necessary as there should only ever be one instance running at a time, but corruption of the site state file seems to be more common than it should be. We can always remove it again if it doesn’t help.

• Moved output file specification section to end so that it can use environment variables in the path. (This is also the recommended location for this anyway.)

Added zip, unzip and git.

Removed now obsolete CVS substitutions.

Added support for Sass → CSS.

Fixed file permissions.

- Added basename to miscellaneous utilities.

- Added sitecopy.

- Added ln -s detection.

- Added xcf2png.

- 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 check for net.sf.saxon.Transform class, to ensure that this ...

exists in addition to the script to call it.

Renamed TEST variable to avoid apparent collision on Ubuntu.

- Fixed message for XSLT variable check.

- Modified text of some messages. ...

- Modified XSLT processor check to key off XSLT environment variable.
- Made XSLT environment variable mandatory for the configure script.
- Added cut, date, expr, composite, ps2pdf.
- Moved position of shiftbbox.

- Added base infrastructure for build system configure script.