* improve identation of long options and add support for displaying parameter @

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28186 3ad0048d-3df7-0310-abae-a5850022a9f2
  * added description for option @ and missing bracket at the end of list for -P

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28187 3ad0048d-3df7-0310-abae-a5850022a9f2
  * added description for option @ and missing bracket at the end of list for -P

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28188 3ad0048d-3df7-0310-abae-a5850022a9f2