Oh, understood. Sigil is doing exactly what it is designed to do, to provide the most "economical" ncx.
But in this case, I am essentially using "copy & paste" to use those links elsewhere than in the TOC. So I really do need the IDs for those pasted links in my alphabetical "Index of Titles", which is really just a page full of links. Otherwise, Pagina EpubCheck will warn me about unidentified URL fragments (missing IDs), and the links will fail.
Last edited by GrannyGrump; 03-30-2017 at 07:16 AM.
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