Florent Chervet
A boolean expression evaluator and a switch command.
    
      
      Catch text delimited by docstrip tags.
    
      
      Named mark registers with e-TeX.
    
      
      Extended references to items for enumitem package.
    
      
      e-TeX tools for LaTeX users and package writers.
    
      
      Macros for use in the author's documentation.
    
      
      Set parameters for other packages, conveniently.
    
      
      Simple creation of commands with key-value arguments.
    
      
      A “dimen” that returns the space left on the line.
    
      
      e-TeX showbox facilities for exploration purposes.
    
      
      A simple means of creating commands.
    
      
      Build a format based on the preamble of a LaTeX file.
    
      
      Apply a macro to each line of an environment.
    
      
      Flexible LaTeX tabulars.