On 05-Jun-2013 12:13 +0200, lilydjwg wrote:
> On Tue, Jun 04, 2013 at 01:23:54PM -0700, ZyX wrote:
>> вторник, 4 июня 2013 г., 17:16:33 UTC+4 пользователь 依云 написал:
>>> In Vim version <= 7.3.1031, the following code works and finds the
>>> correct function:
>>>
>>> :echo function('<SNR>138_JumpToEndForward')
>>>
>>> Of course, change '138_JumpToEndForward' to some 's:' prefixed function
>>> Vim knows.
>>>
>>> With Vim version >= 7.3.1071, it returns a string like
>>> '<80><fd>R138_JumpToEndForward' and the result can't be called.
>>
>> If you use a funcref this name is a valid thing to call.
>>
>>> This breaks the CountJump plugin. At least 'mail_movement' that using
>>> it, when editing an Email message, '][' throws an error:
>>>
>>> E129: Function name required
>>> E700: Unknown function: <80>�JumpToEndForward
>>> E488: Trailing characters
>>
>> You are using something strange here. Why does it use `function('…')()` and
>> not `…()`? The problem is not function() call itself (it works on the
>> command-line), but the fact that 0x80 is handles specially also here: *map
>> does not expect already expanded <SNR> item.
>
> Not me, it's Ingo Karkat who wrote those. He's passing a 's:'-function name
> to another script.
>
> OK, I'll remove the 's:' prefix for my own use. I'm cc to Ingo Karkat,
> hoping he can fix them.
I've published new versions of the affected diff_movement.vim (vimscript
#3180) and mail_movement.vim (#3182) on vim.org that work around this
via autoload functions.
Nonetheless, I would hope that this regression is fixed; though passing
an <SNR>-function around in a mapping isn't that common, other plugins
and user customizations may still be broken by it. (And I sincerely hope
that development on Vim 7.5 / 8.0 will start tackling the
often-requested "cannot map certain key combinations" problem and the
"0x80 represents a special keycode for internal stuff" mess that (as I
understand) underlies this.)
-- regards, ingo
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