Tony Mechelynck wrote:
> Using gvim 7.2.108 (Huge) with GTK2/Gnome2 GUI
>
> I notice the following about the ":tab" command. Are they intended?
>
> 1) When "filename" is already open in a window, ":tab drop filename"
> _moves_ that window to the bottom in the _current_ tab. I would have
> expected it to open the window without moving it, ignoring the ":tab"
> prefix since in this case Vim doesn't attempt to open a new split-window.
Yes, that would be better.
> 2) ":tab help" opens $VIMRUNTIME/doc/help.txt in a new tab even if there
> already is a help window. I would have expected it to reuse the current
> help window.
Well, if you use ":tab help" instead of ":help" the user probably wants
a tab page with help. But if there is an existing tab page for help it
should be re-used.
> Rationale for the above: I read the following under ":help :tab":
> > Execute {cmd} and when it opens a new window open a new tab
> > page instead. Doesn't work for |:diffsplit|, |:diffpatch|,
> > |:execute| and |:normal|.
>
> The key phrase for my reasoning is "when it opens a new window" in the
> help text above. If the command doesn't try to open any new window
> (i.e., to split it off, otherwise it would be an "old" window), I would
> expect the ":tab" prefix to have no effect, like the ":to[pleft]" and
> ":bo[tright]" prefix have no effect when there is no split (for
> instance, ":bot help" opens the existing help window, if there is one
> anywhere in the current tab, and doesn't move it to the bottom).
The ":tab" modifier was implemented in a generic way. But there are
exceptions where it doesn't quite work as expected. Tab page switching
can be a bit complicated.
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