On Sun, Jan 31, 2016 at 6:16 AM, Tony Mechelynck
<[email protected]> wrote:
> On Sun, Jan 31, 2016 at 4:59 AM, Wang Shidong <[email protected]>
> wrote:
>>
>> but my vim --version show me
>>
>> VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jan 2 2014 19:39:47)
>> 包含补丁: 1-52
>
> Regardless of which version you are running (in this case: 7.4.52),
> has('patch-7.3.867') will always return 0 because the format of the
> argument is incorrect.
>
> To test for the presence of patch 7.3.867, you should use
>
> if (version > 703) || ((version == 703) && has('patch867'))
>
> In the first parenthesis, version is preferable to v:version in order
> to catch really old versions which knew about version but not about
> v:version.
> In the second parenthesis, version and v:version are equivalent
> because these old versions have already been eliminated by
> short-circuit evaluation.
> Notice that the has() argument for the patch number includes neither
> dot nor hyphen, and that the major-minor version must already be
> known.
>
> See ":help has-patch"
>
>
> Best regards,
> Tony.
P.S. has('patch-7.4.1000') is correct, but only when running a Vim
version 7.4.237 or later, which is not your case. In earlier Vim
versions, you need to test separately for major-minor and for patch,
as mentioned in my earlier post.
Best regards,
Tony.
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