Originally Posted by booklover6
Blossom, I know you are very intent on making sure you have working TOC. I have been learning how to do that. Using the Sigil plugin with Calibre makes it much easier. Sometimes. I really think you might benefit from trying it out yourself.
Using Xpath expressions is usually enough to do that in Calibre unless the Chapter headers are in plain text (with the exceptions of numbers or caps) then I may have to mark them using Word which only takes a couple minutes to do.
I really don't care for Sigil. I tried it out in the past and found it slow and buggy.