On 2012-05-14 15:22, Philipp Gesang wrote:
> On 2012-05-14 09:35, Hans Hagen wrote:
> > On 13-5-2012 13:12, Philipp Gesang wrote:
> > >Hi all,
> > >
> > >seems the mkvi-style macros have trouble with groups in comments:
> > >
> > >········································································
> > >% macros=mkvi
> > >\def\dosomething#content{%%%<= fine with “#1”
> > > % { %%% Open unbalanced brace breaks macros.
> > >}
> > >
> > >\starttext \dosomething {foo} \stoptext
> > >········································································
> > >
> > >Fails here with:
> > >
> > > <to be read again>
> > > c
> > > l.2 \def\dosomething#c
> > > ontent{%%%<= fine with “#1”
> > >
> > >Removing the comment, closing the group or reverting to TEX-style
> > >argument numbering makes this behavior disappear.
> >
> > Indeed there are some limitations to the parser. I'll note it down
> > as low priority issue.
>
> Would it be possible to modify the comment pattern so that it
> accept initial spaces? At least it fixes my problem.
I take that back, sorry for the noise. The better solution
appears to be adding the “leadingcomment” pattern to the rule
that handles balanced braces:
········································································
--- /home/laokoon/base/luat-mac.lua 2012-05-14 14:52:40.674091445 +0200
+++ luat-mac.lua 2012-05-14 15:55:50.683559201 +0200
@@ -110,7 +110,7 @@
local commenttoken = P("%")
local crorlf = S("\n\r")
-local commentline = commenttoken * ((Carg(1) *
C((1-crorlf)^0))/function(strip,s) return strip and "" or s end)
+--local commentline = commenttoken * ((Carg(1) *
C((1-crorlf)^0))/function(strip,s) return strip and "" or s end)
local commentline = commenttoken * ((1-crorlf)^0)
local leadingcomment = (commentline * crorlf^1)^1
local furthercomment = (crorlf^1 * commentline)^1
@@ -160,6 +160,7 @@
+ V("texcode")
+ V("braced")
+ furthercomment
+ + leadingcomment
+ nobrace
)^0
-- * rightbrace^-1, -- the -1 catches errors
········································································
Now definitions with commented-out unbalanced stuff like
\def\dosomething#content{%%% {{
% { }{{ %%
\bgroup\italic#content\egroup
}
will work too.
Philipp
pgpD2je4rZr8c.pgp
Description: PGP signature
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
