Version 1.5.2 has a number of fixes and improved functionality. Error reporting has been improved for several failure case involving token aliases. The effect of several unusual cases of alias use have been clarified, with the implementation of several new warning messages.
An ambiguous case of string canonicalization involving escape sequences has been fixed. The semantics of %nonassoc has been fixed, as has the default semantic action for production right-hand-sides of length greater than one.
Documentation is in a single pdf file. This file has hyperlinked figure references, table of contents and an index. A new feature is an appendix with a quick refresher on shift/reduce parsing.
The documentation is embedded in the archive, but is also available as a separate download.
Source code is embedded in the archive as a VS2012 project. The most recent version of the source code is always available from the Source Code tab of this download page.