[PATCH] shell options in prompt

[Piotr Grzybowski]

Hi,

 I would like to propose a patch, that allows to use \o in prompt:

$ PS1="(\o)\u@\h \w $ "
(himBH)merlin@xxxx ~/bash $ set +hm
(iBH)merlin@xxxx ~/bash $

 \o gets replaced by all options that are on and visible via set -o.
 do you think it can be useful? (I hope this feature is not already
somewhere in the code).
 I attach the patch. If you consider it worth anything I can clean it,
and update the documentation/help messages. Sorry for formatting, I
was desperately trying to be consistent with the coding standard of
surrounding code.

cheers,
pg

0001-Shell-options-in-prompt.patch
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