Subject: Re: [xsl] line-breaking and hyphenation in XSL-FO From: Mukul <mukulw3@xxxxxxxxx> Date: Mon, 10 Mar 2003 09:38:02 -0800 (PST) |
Thank you all for the comments on my questions.. Regards, Mukul --- David Tolpin <dvd@xxxxxxxxxxx> wrote: > > TeX is a program system for typesetting, and it > broke many > > new grounds in computer typesetting, in particular > the > > paragraph filling and the hyphenation algorithms > developed > > for TeX are still the best for their respective > purposes. > > Unfortunately, this is not so. While TeX's line > breaking algorithm > is good, TeX's hyphenation algorithm (Liang's > algorithm) is > a rather simple approach imposing serious > limitations on proper > hyphenation of German, for example. > > The most important advantage of Liang's algorithm is > that it is > fast and simple. That's why many implementations of > XSL FO use it. > > > XSLFO leaves many details for the implementation, > sometimes > > this is made explicit, often this can be guessed > from the > > absence of any advice. Hyphenation is explicitely > left to > > the implementation, line breaking implicitely > (they could > > have mentioned TR14 though, given the extensive > reference > > to TR9). > > UA14 for line-breaking and Liang's for computing > hyphenation > points has little to do with the actual > line-breaking algorithm, > that is with optimal distribution of syllables > between lines in > a paragraph. > > Hyphenation dictionaries and UA14 specify where it > is allowed to > break a word or a line. > > A line-breaking algorithm is a way to determine the > actual breakdown. > While it should be based on something like > hyphenation tables and UA14, > it is much more than that. > > When TeX's line breaking algorithm is mentioned, it > is the sophistication > of optimization that is praised, not conformance to > a standard. Actually, > TeX knows nothing about Unicode and UA14. > > > David Tolpin > > XSL-List info and archive: > http://www.mulberrytech.com/xsl/xsl-list > __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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