2017-08-26 19:55 GMT+02:00 Fabien COELHO <coe...@cri.ensmp.fr>:
>
> Any colon prefixed syntax can be made to work because it is enough for the
>> lexer to detect and handle... so
>>
>> :{defined varname}
>>
>> may be an option, although I do not like the space much because it adds
>> some fuzzyness in the lexer which has to process it. It is probably doable,
>> though. I like having a "?" because there is a question. Other
>> suggestions somehow in line with your proposal could be
>> :{?varname}
>> :{varname?}
>> what do you think?
>>
>
> Here is a version with the :{?varname} syntax.
It looks much better for me.
Regards
Pavel
>
>
> --
> Fabien.
