Added a generate-id()-based value to button rows to distrinquish between otherwise identical className values; testing string-length() for empty intro string; removed redundant add_title template calls.
Added a generate-id()-based value to button rows to distrinquish between otherwise identical className values; testing string-length() for empty intro string; removed redundant add_title template calls.

cjungmann/schemafw,cjungmann/schemafw,cjungmann/schemafw,cjungmann/schemafw,cjungmann/schemafw