fix: mark -r as advanced

See the previous patch for reasoning. I planned to even mark it
deprecated, but someone (timeless?) on the #mercurial IRC channel said
they sometimes wanted to use `-r` with its existing semantics.

Differential Revision: https://phab.mercurial-scm.org/D8288

hgext/fix.py

@@ -213,7 +213,7 b' baseopt = ('
     ),
     _(b'REV'),
 )
-revopt = (b'r', b'rev', [], _(b'revisions to fix'), _(b'REV'))
+revopt = (b'r', b'rev', [], _(b'revisions to fix (ADVANCED)'), _(b'REV'))
 sourceopt = (
     b's',
     b'source',

tests/test-fix.t

@@ -107,7 +107,6 b' Help text for fix.'
       --all            fix all non-public non-obsolete revisions
       --base REV [+]   revisions to diff against (overrides automatic selection,
                        and applies to every revision being fixed)
-   -r --rev REV [+]    revisions to fix
    -s --source REV [+] fix the specified revisions and their descendants
    -w --working-dir    fix the working directory
       --whole          always fix every line of a file