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bug#6978: show-paren-mode doesn't match when scope "::" operator is used
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From: |
Alan Mackenzie |
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Subject: |
bug#6978: show-paren-mode doesn't match when scope "::" operator is used : emacs 32.1.97 |
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Date: |
6 Oct 2019 17:38:50 -0000 |
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User-agent: |
tin/2.4.2-20171224 ("Lochhead") (UNIX) (FreeBSD/11.3-RELEASE-p3 (amd64)) |
In article <mailman.1087.1570362019.2651.bug-gnu-emacs@gnu.org> you wrote:
> severity 6978 minor
> found 6978 27.0.50
> quit
> "Bob" <purchasebyemail1@comcast.net> writes:
>>
>>
>> Emacs 23.1.97:
>>
>>
>>
>> When using the C++ scope operator "::", show-paren-mode gets confused:
>>
>>
>>
>> ------ Foo.cpp ------------------------------------
>>
>> struct Foo1 {};
>>
>>
>>
>> namespace X
>>
>> {
>>
>> struct Foo2 {};
>>
>>
>>
>> template<class _Y>
>>
>> struct Bar;
>>
>>
>>
>> template<>
>>
>> struct Bar<::Foo1> // "(show-paren-mode)" does not match `>` to `<`
>>
>> {
>>
>> };
>>
>>
>>
>> template<>
>>
>> struct Bar<Foo2> // "(show-paren-mode)" correctly matches `>` to
>> `<`
>>
>> {
>>
>> };
>>
>> }
>>
>> ---------------------------------------------
> I can reproduce this on current master.
This is a CC Mode bug. The pertinent < and > are not being marked with
syntax-table text properties, hence can't be recognised as parens.
I'll be looking into this.
> Best regards,
> Stefan Kangas
--
Alan Mackenzie (Nuremberg, Germany).