1. Use the output4 file as a starting point and check that every line in that file contains a complete definition. If the definition is split between several lines, join them by <BR> (or <BR><BR>), if you want an empty line between them)
2. Find and replace all misplaced curly brackets { with [.
3. Use the code from
that post to separate the headwords with tabs.
4. Search for ^[^\t]+$ to fix the remaining lines without a tab.