Carsten> On Jan 4, 2009, at 3:33 PM, Steven E. Harris wrote:
>> > Carsten Dominik <carsten.domi...@gmail.com> writes: >
>>> >> Code references use special labels embedded directly into the
source
>>> >> code. Such labels look like "((name))" and must be unique
within a
>>> >> document.
>> > > How does the parser know that, say, "((def))" is not a valid >
>> expression > in the surrounding Lisp forms? Is it important that
it be
>> separated by > space, or be the last token on the line? > >
Trying to
>> concoct a motivating example, consider a structure > represented > as
>> nested lists: > > ,---- > | '(a > | ((b c) d) > | (((e) f))
((def)) > |
>> g) > `---- > > Without knowing what the enclosing `quote' form
means, how
>> do know > that > "((def))" is not part of it?
Carsten> Hi Steven,
Carsten> good question, and the answer is that is does not know, cannot
Carsten> know, because this is a feature that is supposed to work
for any
Carsten> kind of example, an the parser cannot know all possible
syntaxes
Carsten> :-)
Carsten> This idea is to make this work in a heuristic way, by using
Carsten> something that is unlikely enough to occur in real code.
Carsten> You are right that what I am using might be too dangerous
for emacs
Carsten> lisp or other lisp dialects, and it could also show up in other
Carsten> languages like C.
Carsten> What would be safer?
Carsten> <<name>> like the other Org-mode targets? That would
make sense.
Carsten> Does anyone know a language where this would be used in
real life?
Carsten> It would make it harder to write about Org-mode, though.
Carsten> Or do we need another option, so that, if needed, we could
switch
Carsten> do a different syntax?
Carsten> Comments are very welcome.
Would it be possible to adopt an approach like that used in Latex
verbatim mode, where one could introduce a new delimeter for use in the
block in question (perhaps with default being << and >>)?
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