mq: use single quotes in use warning

hgext/mq.py

@@ -1562,7 +1562,7 b' class queue(object):'
             if not repo[self.applied[-1].node].mutable():
                 raise error.Abort(
                     _("popping would remove a public revision"),
-                    hint=_('see "hg help phases" for details'))
+                    hint=_("see 'hg help phases' for details"))
 
             # we know there are no local changes, so we can make a simplified
             # form of hg.update.
@@ -1631,7 +1631,7 b' class queue(object):'
                 raise error.Abort(_("cannot qrefresh a revision with children"))
             if not repo[top].mutable():
                 raise error.Abort(_("cannot qrefresh public revision"),
-                                 hint=_('see "hg help phases" for details'))
+                                 hint=_("see 'hg help phases' for details"))
 
             cparents = repo.changelog.parents(top)
             patchparent = self.qparents(repo, top)
@@ -2117,7 +2117,7 b' class queue(object):'
                 for r in rev:
                     if not repo[r].mutable():
                         raise error.Abort(_('revision %d is not mutable') % r,
-                                         hint=_('see "hg help phases" '
+                                         hint=_("see 'hg help phases' "
                                                 'for details'))
                     p1, p2 = repo.changelog.parentrevs(r)
                     n = repo.changelog.node(r)

tests/test-mq-qimport-fail-cleanup.t

@@ -36,7 +36,7 b' valid patches before fail added to serie'
   $ hg pull -q -r 0 . # update phase
   $ hg qimport -r 0
   abort: revision 0 is not mutable
-  (see "hg help phases" for details)
+  (see 'hg help phases' for details)
   [255]
 
   $ cd ..

tests/test-mq-qimport.t

@@ -40,7 +40,7 b' qimport null revision'
 
   $ hg qimport -r null
   abort: revision -1 is not mutable
-  (see "hg help phases" for details)
+  (see 'hg help phases' for details)
   [255]
   $ hg qseries
 

tests/test-mq-safety.t

@@ -26,17 +26,17 b' Try to operate on public mq changeset'
   $ echo babar >> foo
   $ hg qref
   abort: cannot qrefresh public revision
-  (see "hg help phases" for details)
+  (see 'hg help phases' for details)
   [255]
   $ hg revert -a
   reverting foo
   $ hg qpop
   abort: popping would remove a public revision
-  (see "hg help phases" for details)
+  (see 'hg help phases' for details)
   [255]
   $ hg qfold bar
   abort: cannot qrefresh public revision
-  (see "hg help phases" for details)
+  (see 'hg help phases' for details)
   [255]
   $ hg revert -a
   reverting foo