Subject: Re: fot2pdf backend From: "Christof Drescher" <drescher@xxxxxxxxxxxx> Date: Fri, 1 Sep 2000 09:32:45 +0200 |
Hi! Mark Wroth wrote: > I've been experimenting with the fot2pdf backend, and >can't get past some basic errors, which may be a >function of something other than fot2pdf >(my own ignorance being a major possibility). > > Specifically, fot2pdf runs, but produces an empty PDF document and a slew of error/warnings of the form > > WARNING! Unsupported FlowObject 'text' skipped! > > Since all of the character data in the fot file appears to be >in text elements, this is consistent with the empty >document, but it seems I must be missing something elementary. The error you've been experiencing comes from the problem that fot2pdf is quite...ummm...strict in how it expects the flowobjecttree to be well-formed. Since PDF documents are designed for print, it needs a simple-page-sequence around it, and text being part of a paragraph (or table-cell etc.). So if a DSSSL-script start's some text from the beginning, it does not see it to belong to any page-sequence - it says it is "unsupported" to be a child of the root element (since the root element may only contain simple-page-sequences). The same is if a text is not encapsulated by a paragraph or anything like it (a header, footer, whatever...). So, please check wether this "formal" structure is heeded; maybe check how the fot2pdf-usage sample document (part of the distribution as sgml and dsssl!) is structured. I know many scripts are not that "clearly" structured, and I may even put in some automatism about it (e.g. if you find a text, and it is not in a paragraph, assume there is one). Hope this helps, Christof P.S.: I will post a FAQ about fot2pdf usage in a couple of days about the most common problems (e.g. font naming and the above mentioned structure problems) DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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