AutoGen: 5.20 show-shell option

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## 5.20 show-shell option

This is the "show shell commands" option.

This option has some usage constraints. It:

- must be compiled in by defining `DEBUG_ENABLED` during the compilation.
- may not be preset with environment variables or in initialization (rc) files.

This will cause `set -x` to be executed in the shell, with the resultant output printed to /dev/tty. This option will have no effect if ``--disable-shell'` was specified at configure time.

This document was generated by Bruce Korb on July, 28 2005 using texi2html 1.76.