Merge branch 'maint'

* maint:
  Documentation cherry-pick: Fix cut-and-paste error
  git.el: find the git-status buffer whatever its name is
  git-gui: Paper bag fix info dialog when no files are staged at commit

git-gui/lib/error.tcl

@@ -47,7 +47,7 @@ proc info_popup {msg} {
 		append title " ([reponame])"
 	}
 	tk_messageBox \
-		-parent $parent \
+		-parent [_error_parent] \
 		-icon info \
 		-type ok \
 		-title $title \