expected behavior of "%unset" in configuration file

[Matt Mackall]

On Thu, 2013-04-18 at 19:31 +0900, FUJIWARA Katsunori wrote:
> Hi, devels.
> 
> "hg help config" says:
> 
>     A line with ``%unset name`` will remove ``name`` from the current
>     section, if it has been set previously.
> 
> In this description, it is not explicitly described whether "%unset"
> can remove the value which "has benn set" in another configuration
> file read "previously" or not.

"Previously" here should include other (more global) config files loaded
earlier.

> And current "ui"/"config" implementation doesn't remove such value.
> "%unset" can remove only values set in same configuration file.
> 
> Is current behavior expected one ?
> 
> If current behavior is expected one, should it be described
> explicitly, to prevent users from misunderstanding ? at least, I
> misunderstood and confirmed with source code of Mercurial :-)
> 
> Or can native speakers read such meaning from above description ? If
> so, I'll add translation note to translated version of "hg help
> config" instead of adding explanation to original help text.
> 
> ----------------------------------------------------------------------
> [FUJIWARA Katsunori]                             foozy at lares.dti.ne.jp
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