A new package has been put in place at tug.ctan.org and should soon make its way to your favorite mirror.
Thank you, Jim Hefferon St Michael's College
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The following information was provided by the package's contributor.
Name of contribution: seqsplit Author's name: Boris Veytsman Location on CTAN: /macros/latex/contrib/seqsplit Summary description: Splitting Long Sequences of Letters (DNA, RNA, Proteins, Etc.), v0.1 License type: lppl
Announcement text given by the package's contributor: ---------------------------------------------------------------------- Sometimes one needs to typeset long sentences of letters, which should not have spaces between them (like letters in words), but could be split between lines at any point, often without a hyphenation character. This problem was formulated at the PracticalTeX-2006 conference by Klaus Hoeppner. In the general discussion several solutions were suggested. This package implements the one belonging to, I believe, Peter Flynn. ----------------------------------------------------------------------
See this package at http://tug.ctan.org/tex-archive/macros/latex/contrib/seqsplit . You may get a better network connection by using a CTAN mirror near to you; see http://tug.ctan.org/tex-archive/README.mirrors . Our service is supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .