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All the publications on this page deal with the generation of LL parsers
for extended context-free grammars.
These are grammars with regular expressions
as the right-hand sides of productions.
  
	- 
		 Berechnung von First- und Followmengen
			 in erweiterten kontextfreien
			 Grammatiken und Generierung eines ELL(1)-Parsers,  
		4. Fachgespräch `Implementierung von Programmiersprachen',
		pp. 43 - 54, Zürich, 7.3.1984
		[Abstract (in German)]
		[English translation of abstract]
	 - 
		 ELL(k)-Parsing and
			 Efficient ELL(1)-Parser Generation,  
		Diploma thesis,
		
			FB Informatik,
		Universität des Saarlandes, 1984
		[Table of contents]
		[Introduction]
   
  The following paper is a summary of the diploma thesis.
  
	- 
		 An Efficient ELL(1)-Parser Generator,  
		Acta Informatica,
		Vol. 23,
		127 - 148 (1986)
		[Abstract]
                [Paper.ps.gz
                        (27p, 46k, from troff, reformatted, bad layout)]
   
  For the Prospectra project, I implemented an ELL(2) parser generator.
  
 
  Reinhold Heckmann /
 heckmann@absint.com