Re: Go on using Ml-lex

Please file a bug report at

	https://smlnj-gforge.cs.uchicago.edu/bugform.php

On Oct 26, 2009, at 5:30 PM, Roger Price wrote:

> Sorry, I should have provided a little more motivation for my
> questions.
>
> In an ML-lex file I have a named expression r which refers to a
> previously defined named expression r0.  r0 is referenced by placing
> its name in curly brackets.  I am adding the hyphen to a named set
> of characters.
>
>  r = ({r0}|[-]);
>
> This declaration was accepted by ML-lex, but is rejected by ML-ulex
> when in ML-lex mode, with the message:
>
>  [/mnt/home/smlnj/110.67/bin/ml-ulex --ml-lex-mode translator/ 
> oasis.lex]
>  [ml-ulex: parsing]
>  170: syntax error: deleting  BAR LB RBD
>
> Clearly I could write "-" instead of [-], and indeed this avoids the
> error message, but I simply fall into further more mysterious
> new errors.
>
> I have not found a list of ML-lex/ML-ulex differences either on the
> SML/NJ site or on Google.
>
> I have tried backing off to 110.67 but I still see these errors.
> Going back to earlier versions of SML/NJ becomes more difficult due
> to library incompatibilities during the installation of SML/NJ.
>
> Roger
>
> On Mon, 26 Oct 2009, Roger Price wrote:
>
>> Is it possible to have ml-lex without ml-ulex?
>> Is Ml-ulex supposed to be a drop-in replacement for Ml-lex?
>
>
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