ometa xhtmlParser {
 name = letterOrDigit+:ls -> ls.join(''),
 unitag = '<' spaces name:n attribute*:a spaces '/'* '>' -> [n, a],
 tag = '<' spaces name:n attribute*:a spaces '>' html*:c '<' '/' seq(n) spaces '>' -> [n, a, c],
 html 
  = text:t -> ['', t]
  | tag:t  -> [t[0], t[1], t[2]]
  | unitag:t -> [t[0], t[1]],
 text = (~'<' anything)+:t -> t.join(''),
 attribute = spaces name:k spaces '=' spaces (qstring | name):v -> [k, v],
 qstring = ('"' | '\''):q (~exactly(q) anything)*:xs exactly(q) -> {xs.join('')}
}

txt="<p>this is the \
 <b sql='test'>\
  first <script> test </script>\
 </b> attempt.\
 <br sql='test 2'>I will be ok.
</p>"
tree=xhtmlParser.matchAll(txt,'html')  
[p, [], [[, this is the 
 ], [b, [[sql, test]], [[, 
  first ], [script, [], [[,  test ]]], [, 
 ]]], [,  attempt.
 ], [br, [[sql, test 2]]], [, I will be ok.
]]]

ometa getSql {
 sqlScript = [ :node [[~'sql' anything]* ['sql' :sql] anything*] [anything* ['script' anything [['' :script]]] anything ]] -> [sql, script],
 sqlOnly = [ :node [[~'sql' anything]* ['sql' :sql] anything*] anything* ] -> [sql, ''],
 tags = (sqlScript | sqlOnly | [anything:t anything tags])* -> t
}

getSql.match(tree[0],'tags') p



ometa Tst {
 t = [ anything:a [[~11 anything anything]* [11 2]:b anything*] anything*] -> [a,b]
}

Tst.match([1,[[10,1],[11,2],[12,3]],[]],'t')


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tree