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~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for computer graphics and plotting related languages.
:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
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GLSL (OpenGL Shader) lexer.
.. versionadded:: 1.1
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.. versionadded:: 2.3
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Lexer for PostScript files.
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<http://partners.adobe.com/public/developer/en/ps/PLRM.pdf>
is the authority for this.
.. versionadded:: 1.4
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.. versionadded:: 1.2
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.. versionadded:: 0.11
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.. versionadded:: 0.11
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