Something in my VIM gvimrc file that's stopping the cursor from wrapping?

I have been currently tweaking my Vim _gvimrc file to add a few features etc. and I've recently noticed, that when I use the cursor key to move left while at the beginning of a line, it no longer开发者_如何学运维 moves to the end of the previous one, it just stays put.

I used to be able to move from line to line just by holding the left or right cursor keys but for some reason that functionality has been lost. This is also true for the standard Vim h j k l keys.

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:set whichwrap=b,s,h,l

whichwrap can be abbreviated to ww.