6916a873c2
The fact that every ksh builtin command self-documents with the options --help and --man (and others, see 'getopts --man'; but these are the essential ones) is poorly known; the information is buried somewhere deep in the sh.1 manual page, and is incomplete at that. None of the terse usage messages displayed on error point the user to these options. So let's fix that. src/lib/libast/misc/optget.c: - Change generic 'options' placeholder, used in all terse usage messages, to 'options | --help | --man'. src/cmd/ksh93/sh.1: - Edit documentation of --man/-?, adding documentation on --help which was completely undocumented. Refer to 'getopts --man' for more advanced info. - Separate these from the (important) documentation on special builtins using a paragraph break. |
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