* don't give an internal error when freeing an error token in the preprocessor
    (mantis #25573)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26614 3ad0048d-3df7-0310-abae-a5850022a9f2
  * pass on the "eval" state (whether or not subexpressions should be evaluated)
    when encountering a "(" in a preprocessor expression (broken after r25465,
    mantis #25296)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26615 3ad0048d-3df7-0310-abae-a5850022a9f2
  * some minor formatting fixes

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26616 3ad0048d-3df7-0310-abae-a5850022a9f2