I agree entirely with Adrian and Rich that this is a buglet
in SAS mode -- sorry, Rodney.
Just because - as I understand you - Xemacs (again) does
something unreasonable, that does not mean that M-; shouldn't
behave in SAS mode as it does in all (or many many at least)
other "programming" modes I know and use.
Martin
>>>>> "RoSp" == Rodney Sparapani <rsparapa at mcw.edu>
>>>>> on Tue, 06 Dec 2005 16:41:53 -0600 writes:
RoSp> Richard M. Heiberger wrote:
>> I will confirm the problem. I have an analysis at the end of this message.
>>
>> In myfile.s, highlight several lines, then press M-; .
>> The entire region is now commented with a leading ##.
>> Then re-highlight the same lines, and press M-; , now the commented
>> region has its ## removed.
>>
>> In myfile.sas, highlight several lines, then press M-; .
>> The lines are now prefixed with
>> \*\|/\*
>> and postfixed with
>> ;\|\*/
>>
>> This looks like an attempt to prefix with /* and postfix with */ but
>> the escaping of special characters got scrambled.
>>
>>
>> Now rehighlight the same region and again press M-; .
>> We expect, based on the behavior in myfile.s, that the comment
>> information would be removed. It isn't removed. Instead, another
>> set is placed on each of the lines in the region.
>>
>> Now I see it. SAS has two types of comments structures,
>> the * xxxx ;
>> and /* xxxx */
>>
>> comment-dwim function (called by M-;) is doing something with the
>> regular expression defining those comments and coming up with a scramble
>> mixture of both commenting methods.
>>
>>
RoSp> Not sure what's going on there. But, a bigger problem for xemacs users is
RoSp> that comment-dwim checks for transient-mark-mode which does not even
RoSp> exist. This might be fixed in the near future, but until then use the two
RoSp> functions comment-region and uncomment-region.
RoSp> Rodney
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