Today, TeX is a big program, LuaTeX, PDFTeX, METAPOST etc. Where is the public accessing source code for hacking LuaTeX or other implementations. For example, I need to embed TeX into C program or creating Ruby object TeX.
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1The source code for LaTeX and TeX is written in TeX. The original engine was written in Pascal and translated into various other languages (there is a test for validation). You might have better luck running LaTeX as a separate server with a custom driver.– John KormyloCommented Aug 8, 2017 at 12:48
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6Note that TeX90, pdfTeX, XeTeX, etc. are written in WEB (a form of specialised Pascal source), and are nowadays built using WEB2C (part of TeX Live); LuaTeX is natively in C.– Joseph Wright ♦Commented Aug 8, 2017 at 13:19
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Pls confirm if Duplicate of How to compile the source code of TeX, XeTeX source code and Installing and using MPlib– texenthusiastCommented Aug 8, 2017 at 14:04
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While not exactly answering the question, there is also C/WEB programs in TeX Live 2023 (also found in ctan.math.illinois.edu/info/knuth-hint) which contains the typesetted changes.– user202729Commented Feb 3 at 20:17
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3 Answers
TeX Live:
- WWW: https://www.tug.org/texlive/
- SVN: svn://tug.org/texlive/
- SVN web interface (ViewVC): https://tug.org/svn/texlive/
- Mirror: https://github.com/TeX-Live/texlive-source
XeTeX:
- WWW: https://xetex.sourceforge.net/
- Git: https://git.code.sf.net/p/xetex/code
- Git web interface: https://sourceforge.net/p/xetex/code
LuaTeX
- WWW: http://www.luatex.org
- Main Git repo: https://gitlab.lisn.upsaclay.fr/texlive/luatex
- Git mirror: https://github.com/TeX-Live/luatex
MetaPost
- WWW: https://www.tug.org/metapost.html
- Main Git repo: https://gitlab.lisn.upsaclay.fr/texlive/metapost
pdfTeX
- WWW: https://www.tug.org/applications/pdftex/
- SVN: svn://tug.org/pdftex
- SVN web interface (ViewVC): https://tug.org/svn/pdftex/
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2The LuaTeX repository just screams "we don't want any contributions"– piegamesCommented Jan 28, 2021 at 14:20
The complete sources from which TeX Live is built are available to browse online on a GitHub mirror (note that this is not the upstream source which is a private SVN).
https://github.com/TeX-Live/texlive-source
Therein you can find the source for the different components:
TeX:
texk/web2c/tex.webpdfTeX:
texk/web2c/pdftexdirLuaTeX:
texk/web2c/luatexdirXeTeX:
texk/web2c/xetexdir
The experimental LuaTeX also has its own GitHub mirror. There you can find the source in the directory source/texk/web2c/luatexdir.
answered Jul 23, 2018 at 4:02
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2@GodMustBeCrazy The branch has been renamed from
mastertotrunk. I fixed the links. Commented Dec 31, 2018 at 23:27 -
Either not, or no longer a private SVN, I reckon: tug.org/svn/texlive Commented May 11, 2023 at 20:13
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Luatex link not workin. SVN repository have password. This is wrong answer Commented Aug 8, 2017 at 12:47
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6@MarkoLustro I don't follow how it's wrong: that is the official master repo for LuaTeX. One could get the TeX Live version (tug.org/texlive/svn), which if you are happy with 'reasonable approximation to current release' is OK, but it's not the 'master' source.– Joseph Wright ♦Commented Aug 8, 2017 at 12:59
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4A "quick" search does not immediately reveal the username and password. (Thanks, Neelix.) However, is it not the case that luatex is distributed under an open license that requires the source code to be publicly available? Why should there be a username and password, even if known?– user139954Commented Aug 8, 2017 at 15:09
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1It is not that uncommon to require a publicly available username and password for a free repo. However, if 'ask for it' in @JosephWright 's sense means 'email somebody or fill in a form or ....' then that might be problematic for some free licences. But unless they're releasing binaries of the master, it is unlikely to violate anything, so long as source of the releases is easily available. Few (no?) licences say you have to release code for stuff you don't distribute.– cfrCommented Sep 5, 2018 at 22:16