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Hi Frank,
another option is to type "^L . q ^R |" in math mode
^L . creates a pair of invisible brackets
^R | replaces the invisible closing bracket with a (closing) vertical bar.
with macOS look and feel, ^ = option
Basile

> Le 25 févr. 2021 à 20:13, Frank <address@hidden> a écrit :
>
> Hi,
>
> I wonder what is the correct way to do that? For the moment, I only know
> that I can write the thing in the absolute value then delete the first
> delimiter, which is a bit more difficult since I need to move the cursor
> back and forth.
>
> Best wishes,
> Frank
>
> On 2/24/21, Basile Audoly wrote:
>> Hi Frank,
>> I use a right-hand-side-only delimiter for this purpose.
>> (math (concat (around* "<nobracket>" "q" "|") (rsub "C") "=y"))
>> Basile
>>> Le 24 févr. 2021 à 10:42, Frank <address@hidden <mailto:address@hidden>>
>>> a écrit :
>>>
>>> Dear all,
>>>
>>> I wonder how to input the symbol for restriction of function? Now I
>>> input, say,
>>>
>>> (math (concat "q|" (rsub "C") "=y"))
>>>
>>> which will generate, in my opinion, an incorrect spacing (see the space
>>> before and after "="). I also suspect that this is semantically incorrect.
>>>
>>> Best wishes,
>>> Frank

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• TeXmacs: restriction of function, Frank, 02/24/2021
  • Re: TeXmacs: restriction of function, Basile Audoly, 02/24/2021
    • Re: TeXmacs: restriction of function, marc lalaude-labayle, 02/24/2021
    • Re: TeXmacs: restriction of function, Frank, 02/25/2021
      • Re: TeXmacs: restriction of function, Basile Audoly, 02/26/2021
        • Re: TeXmacs: restriction of function, Frank, 02/27/2021
          • Re: TeXmacs: restriction of function, Ibrahima Fall, 02/27/2021
      • Re: TeXmacs: restriction of function, Massimiliano Gubinelli, 02/26/2021

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