| 1. | m4 | | | Powerful (Turing-equivalent) implementation of traditional Unix macro-expansion program, designed as preprocessor to more stubborn languages. Ugly, but fairly standard, available on most platforms. www.gnu.org |
| 2. | GNU m4 - Development site | | | René Seindal's site for developing the Free Software Foundation's version of the Unix macro processor. www.seindal.dk |
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