[PATCH] info - easier navigation with arrow keys

[Ben Asselstine]

Hello,

Here's a patch to change the default keybindings for the arrow keys in
the `info' program to be more browser-like.

Here's the rationale:  The browsing metaphor is something that new and
existing users of `info' understand implicitly.  By accepting this
patch, we're trying to make `info' easier to use for new and existing
users.

Here's the implemented behaviour:
Left Arrow means "go back".  Going "back" means go back to the last
page that was viewed (as opposed to the previous page in the book I'm
reading.)
Right Arrow means "follow this link".  Going forward means following a
link[0] (as opposed to flipping the page).
Up and Down Arrows make the cursor move to the next link.  If no link
is available, the page is scrolled up or down.

Please note that this patch will not currently function correctly if
use_regex is set to 1 in info/session.c.  Set it to 0 if you wish to
test this patch with CVS head.

0. I am using the term `link' to mean an Info "menu item", or "cross
reference" (xref).

regards,

Ben

texinfo-info-easy-arrows.patch
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