TeX extensions

The base TeX program has been extended in many ways. Here's a partial list. Please send information on extensions not listed here to the address in section `Reporting bugs' in Kpathsea.

e-TeX

Adds many new primitives, including right-to-left typesetting. Available from `http://www.vms.rhbnc.ac.uk/e-TeX/' and `CTAN:/systems/e-tex'.

Omega

Adds Unicode support. Available from `http://www.ens.fr/omega' and `CTAN:/systems/omega'.

`TeX--XeT'

Adds primitives and DVI opcodes for right-to-left typesetting (as used in Arabic, for example). An old version for TeX 3.1415 is available from `CTAN:/systems/knuth/tex--xet'. A newer version is included in e-TeX.

File-handling TeX

Adds primitives for creating multiple DVI files in a single run; and appending to output files as well as overwriting. Web2c implementation available in the distribution file `web2c/contrib/file-handling-tex'.

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