#43 patch to edit on input field

[Mingming Ren]

This patch add another function mygetline() (in file src/input.c),
instead of modifing the function getline(). They are very similiar. Then
add a few lines to command.c, at there call the function mygetline().

(Inline editing on Input fields ( ??^B/^F ))-- TODO file said.

This patch is against the release version 15.5

[Mingming Ren]

patch to edit on input field

[Mingming Ren]

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use this patch, you can edit the history search keyword after you type
CTRL-B or CTRL-F. this is very convenience.

[Hans-Bernhard Broeker]

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I like that patch. I'll check it in.

You wouldn't happen to have some documentation for it lying
around that you could contribute into the man-page or
on-line help, would you?

[Hans-Bernhard Broeker]

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Patch is in CVS now. No feedback on documentation ---> will
not be documented.