list which versions of ikiwiki have this feature

diff --git a/doc/plugins/map.mdwn b/doc/plugins/map.mdwn
index df34d77cd8007cd72e344da43c6f8e871a2b7b35..ce2ebda3f588ddcba2b83f8aa7d7b873ce280537 100644 (file)
--- a/doc/plugins/map.mdwn
+++ b/doc/plugins/map.mdwn
@@ -10,7 +10,8 @@ This plugin generates a hierarchical page map for the wiki. Example usage:
 If the pages to include are not specified, all pages (and other files) in
 the wiki are mapped.
 
 If the pages to include are not specified, all pages (and other files) in
 the wiki are mapped.
 

-By default, the names of pages are shown in the map. The `show` parameter
+By default, the names of pages are shown in the map. Since ikiwiki 2.51, 
+The `show` parameter

 can be used to show the titles or descriptions of pages instead (as set by
 the [[meta]] plugin). For example:
 
 can be used to show the titles or descriptions of pages instead (as set by
 the [[meta]] plugin). For example: