[tex-hyphen] hyphenation different in xelatex?

[Hans Hagen]

On 9/4/2015 10:54 PM, Reinhard Kotucha wrote:

> I think that one of TeX's biggest strengths is that you can compile
> old documents at any time and always get exactly the same results.

only if you save the used patterns, fonts and used macros along with the 
document source ... which in turn means that we can update patterns (and 
fonts, many public opentype ones get adapted over time)

> I always believed that my diploma thesis got lost, we used floppies at
> that time.  But I unexpectedly found my LaTeX files recently on a CD.
> They compiled like a charm after more than a quarter century.  I was
> quite surprised that it worked perfectly with LaTeX-2e, which even
> didn't exist at that time.  There was no need to modify any file.

but what if you'd use some 50 packages doing fancy graphics (mp had some 
boundingbox fixes for instance)

> Moica, of course it's more work to maintain the old and new patterns
> at the same time.  But can't the old patterns be simply declared as
> being frozen forever?

as long as we someplace save old tex live trees we're okay, aren't we?

Hans

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