zle vi-mode tilde bug?

[Phil Pennock <phil@xxxxxxxxxxxxxxxxxxxxx>]

In many modern vi clones, there is an option 'tildeop', which makes the
tilde-key act like a normal operator, taking movement.  zsh has
something similiar, in that you can do this:
 bindkey -a '~' vi-oper-swap-case
which tries to do the same thing.  Unfortunately, it also seems to reset
the cursor to the start of the line (first non-blank) afterwards.

Looking at Zle/zle_vi.c (vioperswapcase) there is an explicit call to
vifirstnonblank() which explains the behaviour, but not the reasoning.
Just before that call, cs is reset to a saved value.

Am I missing something or is this a bug?  It seems ... strange.  As
though someone's expecting only vertical movements (~j).
-- 
--> Phil Pennock ; GAT d- s+:+ a22 C++(++++) UL++++/I+++/S+++/H+ P++@ L+++
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