I'm building up a grammar for the Confluence wiki markup, and I'm  
having trouble with tags that take a list of parameters.

Tags look like this (all strings are examples only):

{noparams}
{oneparam:key=10}
{twoparams:keyOne=value|keyTwo=2%}
{threeparams:keyA=a value|keyB=another value|keyC=a third value}

So the tag name can stand alone, or if it is followed by ':', it takes  
a '|'-delimited list of key=value pairs.

When I use the grammar fragment at the end of this message, noparams,  
oneparam, and twoparams are highlighted as I expect. When there are  
three or more parameters, the first and last parameters are  
highlighted as I expect, but the middle ones are highlighted as plain  
entity.confluence.

I'm sure this is a defect in my match= regular expression, but I'm not  
seeing it. Could someone enlighten me, please?

— F

{ name = 'entity.confluence';
match = '(?x:
\{
([-[:alnum:]]+)
(:(\w+)=([^|}]+)
(
\|(\w+)=([^|}]+)
)*
)?
\}
)';
captures = {
1 = { name = 'keyword.confluence'; };
3 = { name = 'support.confluence'; };
4 = { name = 'string.confluence'; };
6 = { name = 'support.confluence'; };
7 = { name = 'string.confluence'; };
};
},



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