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Annotation of 40BSD/cmd/eyacc/READ_ME, revision 1.1.1.1

1.1       root        1: August 28, 1977
                      2: 
                      3: This directory contains source for a version of yacc needed by the Pascal
                      4: parser.  The differences between this yacc and a stadard version 6 yacc
                      5: are indicated in a comment in y1.c.
                      6: 
                      7: Note that the standard yacc parser will not work on the tables produced
                      8: by "eyacc" and also that these changes are really useful only with
                      9: a fairly large set of error recovery routines which are part of both
                     10: "pi" and "pxp".  The routines are language independent, but the method
                     11: will only work on languages which have some redundancy in them... it is
                     12: probably ill suited for C, but would work fine in ALGOL-60, ALGOL-W,
                     13: EUCLID, LIS, SP/K, PL/1, ALPHARD, CLU, ...
                     14: 
                     15: Sun Apr  8 21:43:08 PST 1979
                     16: 
                     17: A paper describing the method used by eyacc will appear in August in the
                     18: SIGPLAN Boulder conference.
                     19: 
                     20: Mon May 5, 1980
                     21: 
                     22: The eyacc in this directory has been modified to work for
                     23: version 7.  This involved syntax fixes and changing the I/O calls
                     24: to standard version 7 calls.
                     25: 

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