lexer changes

[Boris 'pi' Piwinger]

David Relson wrote:

>> >> I am not sure about  MSG_COUNT	^\".MSG_COUNT\" -- are those
>> >> \ needed?
>> > 
>> > Does it matter?  It works.  As they say, "if it ain't broke, don't
>> > fix it."
>> 
>> It is confusing. And as you said yesterday, there is "code
>> that _looks_ ok (on casual inspection) but is actually
>> incorrect", so I try to understand if it is correct, not if
>> it seems to work.
> 
> Try it.  Take a pristine lexer_v3.l, make sure it passes "make check",
> then remove the quotes and see what happens.

Interesting that even you don't know if they are required;-)
According to make check they are required. So I now
understand some expressions more which do or don't have \.
This does make a difference.

pi