commit new revision.inc file

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24329 3ad0048d-3df7-0310-abae-a5850022a9f2
 Add explanation about revision.inc file

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24330 3ad0048d-3df7-0310-abae-a5850022a9f2
* ppudump: JSON output of properties and global vars.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24331 3ad0048d-3df7-0310-abae-a5850022a9f2
* Fixed unused var note.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24332 3ad0048d-3df7-0310-abae-a5850022a9f2