stefanf 58babfa98f Sync with HEAD's code:
- Support for command -v and -V.
- Fixes for the errexit option.
- A fix for a crash caused by SIGINT.
- POSIX compliant set +o ouput.
- A fix for unalias' exit code.
- Man page updates.
- Code cleanups, WARNS 3.
2005-11-06 20:39:48 +00:00
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