Chapter detection for LRF
I'm having trouble with Calibre chapter detection for LRF output. I was advised to use the tag detection option with the following regular expression syntax: .*,class,Heading.
; i.e., where the attribute = 'Heading'. The 'Heading' attribute works like a charm on mobi and epub output but the chapters steadfastly refuse to appear on the Calibre viewer for LRF.
I must have misunderstood something but none of my attempts to figure this out has worked so far and I'd appreciate someone's help, here, please.