Original problem: when editing an existing page, the buttons at the very buttom 'Show Page, Old Revisions' etc showed in one column rather than in one row. That's how it came out of 2008-05-05 zip file
Actual problem: two unmatched HTML closer tags.
@@ -1083,7 +1083,7 @@
<?php } ?>
+ <!-- peterk at tbwaworld: There was an unmatched </form> tag here. Now it's removed. -->
$form = new Doku_Form('dw__editform');
@@ -1113,7 +1113,7 @@
- print '</div>'.NL;
+ /** </div> removed by peterk at tbwaworld - because it was not matched */
Side note: When you edit a page at http://www.dokuwiki.org/playground:prrrrrrrr
, then it comes out OK. So please would you check whether that installation is same as what you distribute to users.