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v6: cursor behaviour with arrow keys

  • To: mathgroup at
  • Subject: [mg76847] v6: cursor behaviour with arrow keys
  • From: Will Robertson <wspr81 at>
  • Date: Mon, 28 May 2007 01:09:38 -0400 (EDT)


I seem to be having troubles with the Google Groups interface to this
newsgroup. Third time's the charm.

I'm running Mathematica v6 on Windows XP sp2, and I get very weird
behaviour when using the up/down arrow keys that is quite
inconsistent. For example, at the moment, I can open a new document,
paste in the following text to create a cell:

a := 1
b := 1
c := 1
d := 1
e := 1
f := 1
g := 1

evaluate it by hitting enter, then click at the end of line "a", hit
the down arrow twice -- and the cursor will jump to the end of line
"g". Hitting up twice brings the cursor to the beginning of line "f",
and then up again takes the cursor back *down* to the end of line "g".
This cycle will then repeat with further up arrow presses.

Then pressing down to exit the cell, then left to get the cursor back
to the end of line "g" resets the cursor behaviour, and I can use any
combination of up and down arrow presses to move one line up and down
as I would expect. But then clicking the mouse to move the cursor to
the end of any of the lines makes a double tap of either the up and
down arrow keys take the cursor to the end of the cell, rather than
just up or down a single line.

I know it's hard to describe here, but I don't have the facilities
here to make a video screen grab.

It's all very strange. Can anyone else confirm this behaviour, or is
it somehow specific to my machine?

Many thanks,
Will Robertson
University of Adelaide

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