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resolve/remove USAGE_LICENSE macros; remove repetitive (c) strings
This takes another small step towards disentangling the build system from the old AT&T environment. The USAGE_LICENSE macros with author and copyright information, which was formerly generated dynamically for each file from a database, are eliminated and the copyright/author information is instead inserted into the AST getopt usage strings directly. Repetitive license/copyright information is also removed from the getopt strings in the builtin commands (src/lib/libcmd/*.c and src/cmd/ksh93/data/builtins.c). There's no need to include 55 identical license/copyright strings in the ksh binary; one (in the main ksh getopt string, shown by ksh --man) ought to be enough! This makes the ksh binary about 10k smaller. It does mean that something like 'enum --author', 'typeset --license' or 'shift --copyright' will now not show those notices for those builtins, but I doubt anyone will care.
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@ -27,7 +27,7 @@
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static const char usage[] =
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"[-?\n@(#)$Id: sync (AT&T Research) 2006-10-04 $\n]"
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USAGE_LICENSE
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"[--catalog?" ERROR_CATALOG "]"
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"[+NAME?sync - schedule file system updates]"
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"[+DESCRIPTION?\bsync\b calls \bsync\b(2), which causes all information "
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"in memory that updates file systems to be scheduled for writing out to "
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