© Copyright 2005 Peri Hankey - documentation license Gnu FDL - code license Gnu GPL - validate HTML
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The hyphen or dash is used in lmn in three places over and above its use as the symbol for negation and subtaction. In each of these case the essential meaning is that we don't care ... about something.

 - term :T  <- expression :T; 
 .[ \t\n]    <- - ;
 error :X <- eom - "oops " X " went haywire!\n" ;