Re: PATCH: Countdown to 20110921

[Joe Neeman]

On Mon, Sep 19, 2011 at 9:35 PM, David Kastrup <address@hidden> wrote:
> Colin Campbell <address@hidden> writes:
>
>> Issue 935: Enhancement: optional arguments in music functions - R
>> 5023044
>
> Cancel countdown.  I am still fuzzing with avoiding O(n^2) rules for n
> syntax classes, and trying to cater for multiple optional arguments in a
> row.  Doing both is a challenge requiring quite a bit of cleanup, and
> applying the current patch would be a step backward.  Hope to get
> something working soon.  I have a working version right now, but don't
> like to leave ~80 shift/reduce conflicts (basically 2n with n being the
> number of terminal symbols that may start an argument).

Have you considered adding a special syntax for optional arguments?
Like \foo[opt]{mandatory} in tex...

Joe