Saturday, August 25, 2012

How do I define function for toggling textwidth (and echoing along)?

By default I have textwidth set to 78:
set textwidth=78

By this setting if I type more than 78 characters in a line, those
will be moved to next line.
I want a mapping that will toogle that textwidth to 0 (or say disable
textwidth), so that I can type long sentences in a single line.

Currently I have this mapping:
nnoremap <silent> <leader>tw :exe "set textwidth=" . (&tw ? 0 : 78)<cr>

This does the work but I don't get notified if the work has been done.
All I want is along with toggling the setting I should be notified
(i.e. if textwidth is zero then show textwidth=0 at statusline).

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