Annotated docs/wiki/Prerequisites

2018-08-17 Paul Boddie Wrapped text in the documentation for more convenient "offline" editing.
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= Prerequisites =
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The software currently requires Python to operate. All recent development has
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been done using Python 2.7 which should be available for most operating system
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distributions. In future, Lichen will hopefully be compiled using its own
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toolchain and not require Python. See the Debian `python-minimal` or `python`
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packages or their equivalents.
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To produce executable programs, a C compiler and GNU make are required. The GNU
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C compiler, GCC, has been used for development and testing, and it should be
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available in various forms for most operating system distributions. Indeed,
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cross-compiling form of GCC has been used to test the toolchain output. See the
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Debian `gcc` and `make` packages or their equivalents.
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As Free Software, priority has been given to supporting Lichen on Free Software
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platforms, with Debian GNU/Linux being the development platform. Proprietary
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platforms are neither supported nor recommended.