- put xugj_assign.php in your theme. (XOOPS_ROOT_PATH/themes/(theme)/)
- insert a line into your theme.html
<{include_php file="file:$xoops_rootpath/themes/$xoops_theme/xugj_assign.php"}><?xml ...
For XHTML rule, don't insert CR/LF after <{include}>.
Then you can get breadcrumbs list automatically even with modules don't support xoops_breadcrumbs.
xugj_assign.php - download
http://www.peak.ne.jp/support/xoops/xugj_assign.zip