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Diff for /src/usr.bin/awk/FIXES between version 1.16 and 1.17

version 1.16, 2011/09/28 19:27:18 version 1.17, 2020/02/27 21:43:46
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 This file lists all bug fixes, changes, etc., made since the AWK book  This file lists all bug fixes, changes, etc., made since the AWK book
 was sent to the printers in August, 1987.  was sent to the printers in August, 1987.
   
   Dec 20, 2012:
           fiddled makefile to get correct yacc and bison flags.  pick yacc
           (linux) or bison (mac) as necessary.
   
           added  __attribute__((__noreturn__)) to a couple of lines in
           proto.h, to silence someone's enthusiastic checker.
   
           fixed obscure call by value bug in split(a[1],a) reported on
           9fans.  the management of temporary values is just a mess; i
           took a shortcut by making an extra string copy.  thanks
           to paul patience and arnold robbins for passing it on and for
           proposed patches.
   
           tiny fiddle in setfval to eliminate -0 results in T.expr, which
           has irritated me for 20+ years.
   
 Aug 10, 2011:  Aug 10, 2011:
         another fix to avoid core dump with delete(ARGV); again, many thanks          another fix to avoid core dump with delete(ARGV); again, many thanks
         to ruslan ermilov.          to ruslan ermilov.
Legend:
Removed from v.1.16  
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  Added in v.1.17