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LaTeX::Decode is a Ruby gem to convert LaTeX input to Unicode. Its original use was as an input filter for BibTeX-Ruby but can be used independently to decode LaTeX. Many of the patterns used by this Ruby gem are based on François Charette's equivalent Perl module LaTeX::Decode.


$ [sudo] gem install latex-decode
$ irb
>> require 'latex/decode'
>> LaTeX.decode "dipl\\^{o}me d'\\'{e}tudes sup\\'erieures"
=> "diplôme d'études supérieures"


Unicode handling is one of the major differences between Ruby 1.8 and newer version; LaTeX::Decode; nevertheless, we try to support 1.8 as best as possible.


Please use the tracker of the project's GitHub repository to report any issues. When describing intended behaviour, please use the extremely simple syntax of the Cucumber features used by LaTeX::Decode; for instance, you could describe the example above as:

Feature: Decode LaTeX accents
  As a hacker who works with LaTeX
  I want to be able to decode LaTeX accents

  Scenario: A French sentence
    When I decode the string "dipl\\^{o}me d'\\'{e}tudes sup\\'erieures"
    Then the result should be "diplôme d'études supérieures"


Kudos and thanks to all contributors who have made LaTeX::Decode possible!

Copyright (C) 2011-2015 Sylvester Keil

Copyright (C) 2010 François Charette

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see