A duplicate symbol definition and a mismatched function declaration were fixed. Cases where Vacation should be ignored were added and the Vacation handle was updated according to RFC 5230. Use of NULL without declaration was removed. pkgconfig support was added. Left-recursion is now used when parsing stringlists. Several documentation glitches were fixed and the SVN directory layout was improved.
Several test scripts have been improved. A memory leak in the header parser has been fixed. A memory leak in comparator lookup has been fixed. The vacation action has been fixed to respect user-specified :from values.