[bug #52457] src: the first letter hyphenated in an English word

[Bjarni Ingi Gislason]

URL:
  <http://savannah.gnu.org/bugs/?52457>

                 Summary: src: the first letter hyphenated in an English word
                 Project: GNU troff
            Submitted by: bjarniig
            Submitted on: Sun 19 Nov 2017 10:01:29 PM UTC
                Category: Core
                Severity: 3 - Normal
              Item Group: Incorrect behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

  Some wrong English hyphenations that I saw today, "y-ou" and "s-ince".

  As I use "man" with the options "--no-hyphenation --no-justification", I
do not usually see any (wrong) hyphenations.

  The patterns causing this are "y1o4" and "2s1in".

  The algorithm for hyphenations in groff is either too simple or has a bug.

  The original algorithm (TeX) has hard-coded restrictions that are correct
for English, but not for all other languages.

  Patterns that begin or end with a period have a purpose.  Other patterns
should therefore not be applied to the beginning of words.





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