newcommand with optional argument

newcommand with optional argument

[Umut Acar]

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I am translating LaTeX to html and would like to be able to define a new 
command with an optional argument and use it.  For example
```
\newcommand{\ittakestwo}[2][defaultone]{#2}

...

\ittakestwo[to]{tango} will eval to "tango"
```
Is this possible?   I wasn't able to make it work...

-- Umut

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Re: newcommand with optional argument

[BP Jonsson]

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The syntax is `\newcommand{\commandname}[2][default value for optional
argument]{definition}`. The default value may be empty, that is `[]`.

Den fre 2 aug. 2019 22:27Umut Acar <umutacar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:

> I am translating LaTeX to html and would like to be able to define a new
> command with an optional argument and use it.  For example
> ```
> \newcommand{\ittakestwo}[2][defaultone]{#2}
>
> ...
>
> \ittakestwo[to]{tango} will eval to "tango"
> ```
> Is this possible?   I wasn't able to make it work...
>
> -- Umut
>
> --
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Re: newcommand with optional argument

[John MacFarlane]

This looks like a bug to me.  Pandoc should be able to
handle this sort of \newcommand.  Can you submit a bug
report on our GitHub tracker, with a simple test case
and the expected output?

Umut Acar <umutacar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> I am translating LaTeX to html and would like to be able to define a new 
> command with an optional argument and use it.  For example
> ```
> \newcommand{\ittakestwo}[2][defaultone]{#2}
>
> ...
>
> \ittakestwo[to]{tango} will eval to "tango"
> ```
> Is this possible?   I wasn't able to make it work...
>
> -- Umut

Re: newcommand with optional argument

[Umut Acar]

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Just did.  Thank you!


On Monday, August 5, 2019 at 7:12:03 AM UTC+3, John MacFarlane wrote:
>
>
> This looks like a bug to me.  Pandoc should be able to 
> handle this sort of \newcommand.  Can you submit a bug 
> report on our GitHub tracker, with a simple test case 
> and the expected output? 
>
> Umut Acar <umut...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <javascript:>> writes: 
>
> > I am translating LaTeX to html and would like to be able to define a new 
> > command with an optional argument and use it.  For example 
> > ``` 
> > \newcommand{\ittakestwo}[2][defaultone]{#2} 
> > 
> > ... 
> > 
> > \ittakestwo[to]{tango} will eval to "tango" 
> > ``` 
> > Is this possible?   I wasn't able to make it work... 
> > 
> > -- Umut 
>
>

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