[erlang-questions] A proposal for Unicode variable and atom names in Erlang.

Yurii Rashkovskii <>
Mon Oct 22 13:12:26 CEST 2012


Good point. That part I missed, withdraw this part of the argument.

On Monday, October 22, 2012 4:05:13 AM UTC-7, Anthony Ramine wrote:
>
> Also MODIFIER LETTER COLON (U+A789) is in category Sk (Symbol, Modifier) 
> and both RATIO (U+2236) and HEBREW PUNCTUATION SOF PASUQ (U+05C3) are in 
> Po (Punctuation, Other). 
>
> None of these categories are included in the categories of Richard's EEP, 
> thus the compiler would fail with a syntax error, giving the exact 
> location 
> of the "wrong colon" character. 
>
> -- 
> Anthony Ramine 
>
> Le 22 oct. 2012 à 12:51, Anthony Ramine a écrit : 
>
> > Should we also forbid quoted atoms to avoid evil atoms like ' 
> > % this one that contain comments and newlines 
> > and_also() -> some_code.'? Or should we do the usual thing, 
> > let our coding environment inform us of the nature of the 
> > characters through lexical highlighting? 
> > 
> > -- 
> > Anthony Ramine 
> > 
> > 
> > Le 22 oct. 2012 à 12:45, Yurii Rashkovskii a écrit : 
> > 
> >> Also, consider this: there are characters that look the same but 
> encoded differently. We don't need to go far: the colon character. Lets 
> suppose Erlang's "native" colon is U+003A. Now, there is at least three 
> characters that look very similar: U+A789, U+2236, U+05C3. Now you can 
> produce a code that will confuse the hell out of you. Which colon is the 
> right colon? 
> >> 
> >> On Monday, October 22, 2012 3:36:20 AM UTC-7, Loïc Hoguin wrote: 
> >> On 10/22/2012 08:00 AM, Anthony Ramine wrote: 
> >>> Also non-latin users who don't know English should be able to use 
> >>> atoms and variables they understand. 
> >> Can't stress this enough. 
> >> 
> >> -- 
> >> Loïc Hoguin 
> >> Erlang Cowboy 
> >> Nine Nines 
> >> http://ninenines.eu 
> >> _______________________________________________ 
> >> erlang-questions mailing list 
> >>  
> >> http://erlang.org/mailman/listinfo/erlang-questions 
> >> 
> >> 
> > 
>
> _______________________________________________ 
> erlang-questions mailing list 
>  <javascript:> 
> http://erlang.org/mailman/listinfo/erlang-questions 
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20121022/90d835dd/attachment.html>


More information about the erlang-questions mailing list