Tim Chase schrieb:
>> vnoremap gt <esc>`>:exec 'norm '.visualmode().'`<lt>'<cr>
>> vnoremap gb <esc>`<lt>:exec 'norm '.visualmode().'`>'<cr>
>
> I don't understand why this works.
>
> There must be a difference between
> `>v`<
> and
> :normal `>v`<
>
> "v" defines a new visual area and overwrites the `<,`>
> markers. Why does "`<" after ":normal" move the cursor to
> the start of the _previously_ selected visual area?
Sorry it's taken me a while to get back on this...life got a
little crazy.
Buried away in the help just above
:help :map-verbose
and in the section
:help map-listing
one finds this little morsel of help:
Note: When using mappings for Visual mode, you can use
the "'<" mark, which is the start of the last selected
Visual area in the current buffer |'<|.
Thanks for the pointer! I couldn't find hints about this in the help.
Interesting that "mappings for Visual mode" include commands given
with :normal (emphasize on "mappings").
It's also possible to read the help at
:help '<
either way, as it refers to the "last selected visual area"
which in visual-mode could mean either "the area selected
before the the one I'm currently in", or "the current visual
selection which is now the 'last selected visual area'
because I'm now doing something other than selecting". It
might help to have an extra sentence at this help to say
something like
If you are currently in visual mode, this refers to the
beginning/end of the *previous* visual selection
This phrase would be more comprehensible, indeed.
Hope this helps shed light on your question rather than
muddy the waters.
-tim
Most important: It turned out to be documented :-)
Regards,
Andy
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