Severity: minor
Tags: patch

The user options gnus-debug-files and gnus-debug-exclude-variables have
been unused since Emacs 24.1[1].  The following patch marks them as
obsolete, fixes a few custom :types, and also removes the unused
variable gnus-check-before-posting.  WDYT?

[1: 72aba33f59]: Merge changes made in Gnus trunk.
  2011-07-07 23:18:23 +0000
  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=72aba33f59d0ba30a01adf7aa7952b5839a8410d