new FunctionDef(HighlightMatches.signature, HighlightMatches.class),
new FunctionDef(KWICDisplay.signatures[0], KWICDisplay.class),
new FunctionDef(KWICDisplay.signatures[1], KWICDisplay.class),
new FunctionDef(RegexpFilter.signatures[0], RegexpFilter.class),
new FunctionDef(RegexpFilter.signatures[1], RegexpFilter.class),
<BUG>new FunctionDef(RegexpFilter.signatures[2], RegexpFilter.class),
new FunctionDef(Tokenize.signature, Tokenize.class),</BUG>
new FunctionDef(MatchRegexp.signatures[0], MatchRegexp.class),
new FunctionDef(MatchRegexp.signatures[1], MatchRegexp.class),
new FunctionDef(MatchRegexp.signatures[2], MatchRegexp.class),

new FunctionDef(HighlightMatches.signature, HighlightMatches.class),
new FunctionDef(KWICDisplay.signatures[0], KWICDisplay.class),
new FunctionDef(KWICDisplay.signatures[1], KWICDisplay.class),
new FunctionDef(RegexpFilter.signatures[0], RegexpFilter.class),
new FunctionDef(RegexpFilter.signatures[1], RegexpFilter.class),
new FunctionDef(RegexpFilter.signatures[2], RegexpFilter.class),
new FunctionDef(RegexpFilter.signatures[3], RegexpFilter.class),
new FunctionDef(RegexpFilter.signatures[4], RegexpFilter.class),
new FunctionDef(Tokenize.signature, Tokenize.class),
new FunctionDef(MatchRegexp.signatures[0], MatchRegexp.class),
new FunctionDef(MatchRegexp.signatures[1], MatchRegexp.class),
new FunctionDef(MatchRegexp.signatures[2], MatchRegexp.class),
