patch for review: show ghci-related flags in ghci :set, :show packages, :show languages

[Claus Reinke]

> Could you please send patches using either 'darcs send', or diff -c/-u. 
> Ordinary diffs aren't particularly readable, and don't apply with patch, at 
> least not without typing in the filenames manually (unless I'm missing 
> something?).

that may be because of the path names used by 'darcs diff', or because
the line numbers no longer match, as this was the third patch in a series.

i have had bad experiences with 'darcs send', which requires me to do
'darcs record': i never know when, whether, or in what form my patches
make it into the main repo, which means that my repo is out of sync
after a record (not to mention that my changes no longer show up in
whatsnew, fooling me into believing i've got a pristine tree, or that 
darcs add so much context to even the smallest patches).

anyway, i've recorded/sent my three ghci patches and attach the
result for your convenience. i'll do a 'darcs unrecord' locally before
the next pull, perhaps that avoids my troubles from previous times.

claus
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