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revision 1.58 by eggert, Mon Apr 22 22:10:22 2002 UTC revision 1.59 by akim, Thu May 2 15:06:46 2002 UTC
# Line 5233  the output graph filename. Line 5233  the output graph filename.
5233  @node Environment Variables  @node Environment Variables
5234  @section Environment Variables  @section Environment Variables
5235  @cindex environment variables  @cindex environment variables
 @cindex BISON_HAIRY  
5236  @cindex BISON_SIMPLE  @cindex BISON_SIMPLE
5237    
5238  Here is a list of environment variables which affect the way Bison  Here is a list of environment variables which affect the way Bison
# Line 5241  runs. Line 5240  runs.
5240    
5241  @table @samp  @table @samp
5242  @item BISON_SIMPLE  @item BISON_SIMPLE
 @itemx BISON_HAIRY  
5243  Much of the parser generated by Bison is copied verbatim from a file  Much of the parser generated by Bison is copied verbatim from a file
5244  called @file{bison.simple}.  If Bison cannot find that file, or if you  called @file{bison.simple}.  If Bison cannot find that file, or if you
5245  would like to direct Bison to use a different copy, setting the  would like to direct Bison to use a different copy, setting the
5246  environment variable @code{BISON_SIMPLE} to the path of the file will  environment variable @code{BISON_SIMPLE} to the path of the file will
5247  cause Bison to use that copy instead.  cause Bison to use that copy instead.
   
 When the @samp{%semantic-parser} declaration is used, Bison copies from  
 a file called @file{bison.hairy} instead.  The location of this file can  
 also be specified or overridden in a similar fashion, with the  
 @code{BISON_HAIRY} environment variable.  
   
5248  @end table  @end table
5249    
5250  @node Option Cross Key  @node Option Cross Key

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