Re: CSS layout and line breaking

On 05/03/2013 04:14, Karl Tomlinson wrote:
> I haven't studied the layout algorithm of TeX.  When I used TeX, I
> think I only noticed automatic line-breaking for text paragraphs, and
> used manual line breaks for equations.

That is TeX's algorithm:-)


However you can program automatic linebreaking _in_ TeX macros (just as
the float placement algrithm is something programmed in tex macros not
provided in the tex executable). What I meant was that in TeX to
measure _any_ attribute of a sub-expression then you need to box it
(or a temporary copy of it) and then you have height, depth and width
available, so setting the padded width to be a function of the natural
height is conceptually, and in any TeX implementation, no harder than
setting the padded width to be a function of the natural width.

David



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