Subject: Re: [xsl] Authority For Western Line Breaking Rules From: Mukul Gandhi <mukulw3@xxxxxxxxx> Date: Tue, 16 Sep 2003 00:54:41 -0700 (PDT) |
Hi Eliot, The XSL-FO spec says (http://www.w3.org/TR/xsl/slice7.html#common-hyphenation-properties) -- that "hyphenation" may be used for line breaking. It can be controlled by values "true" or "false". If hyphenate is "true", the XSL-FO processor may use language specific hyphenation table(as FOP does). If hyphenate is "false", then hyphenation is not performed, and line may be broken by the boundaries of the specific container.. I am not very much sure how line breaking is handled by various XSL-FO processors if hyphenate="false".. Regards, Mukul --- "W. Eliot Kimber" <eliot@xxxxxxxxxx> wrote: > I am trying to find an authority for the rules by > which Western > languages are composed into lines, in particular, > the rules for where > line breaks are allowed. > > Annex 14, Line Breaking Properties, of the Unicode > specification says: > > "Three principal styles of context analysis > determine line-breaking > opportunities. > > "1. Western â?? spaces and hyphens are used to > determine breaks > ..." > > As a native speaker of English I know this statement > to be true but I > can't find an authority that says so. > > This issue is related to the ways in which different > FO implementations > do line breaking. > > For background, Annex 14 is very permissive, > implicitly allowing line > breaks wherever they are not explicitly disallowed > and does not, for > example, disallow breaks following closing > punctuation, allowing for > example, this break: > > "e. > g., a thing" > > That is, Annex 14 allows this break, even though it > would be wrong in > any Western language I'm familiar with. > > Annex 14 is also informative--it does not require > conforming Unicode > implementations to implement the Annex 14 rules > except for those > characters that have normative line breaking > properties, such as line > separator and soft hyphen. > > I'd be grateful for any assistance. > > Thanks, > > Eliot > -- > W. Eliot Kimber > ISOGEN International, LLC > eliot@xxxxxxxxxx > www.isogen.com > > > XSL-List info and archive: > http://www.mulberrytech.com/xsl/xsl-list > __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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