bug#35480: insert-wide-parentheses

[Juri Linkov]

>>>> M-( is insert-parentheses, so
>>>> M-（ should be insert-wide-parentheses.
>>
>> JL> (define-key esc-map "（" 'insert-pair)
>> JL> (add-to-list 'insert-pair-alist '(?\（ ?\（ ?\）))
>>
>> OK but now it looks like
>> perl -C -wple 's/\d+/chr $&/eg;'
>> ((（ （ ）)
>>  (( ))
>>  ([ ])
>>  ({ })
>>  (< >)
>>  (" ")
>>  (' ')
>>  (` '))
>>
>> So I bet just
>>
>>    (add-to-list 'insert-pair-alist '(?\（ ?\）))
>>
>> is good enough. Anyways, I'm hoping the emacs authors will add this to
>> the defaults.
>>
>> In fact they need to add wide versions of all those current narrow items 
>> there.
>
> OK, this adds all Unicode pairs to the default:

Pushed to master and closed.