[tex-hyphen] hyphenmins in latex formats

[Hans Hagen]

On 21-3-2010 23:32, Karl Berry wrote:
>      - If the limits were set in the usual way before loading patterns,
>      they would set upper limit on the values that are possible to use
>
> I don't understand.
>
> As far as I know, the current values for \lefthyphenmin and
> \righthyphenmin are used at line-breaking time (\par).  They can be
> reset at any time.  I've never seen any concept of a format definition
> setting an "upper limit".
>
> They aren't used by \patterns at all.  As far as I can see from tex.web.

indeed; the only reason for mentioning them in some readme is that the 
values have played a role in making the patterns, so lefthyphenmin 
should never be less than the one used when making the patterns (same 
for rhm)

(often one will use larger values esp in titles)

Hans




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