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Diff for /src/usr.bin/awk/FIXES between version 1.9 and 1.10

-version 1.9, 1999/12/08 23:09:45
+version 1.10, 2001/09/08 00:12:40
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  This file lists all bug fixes, changes, etc., made since the AWK book
  was sent to the printers in August, 1987.
+ Nov 15, 2000:
+         fixed a bug introduced in august 1997 that caused expressions
+         like $f[1] to be syntax errors.  thanks to arnold robbins for
+         noticing this and providing a fix.
+ Oct 30, 2000:
+         fixed some nextfile bugs: not handling all cases.  thanks to
+         arnold robbins for pointing this out.  new regressions added.
+         close() is now a function.  it returns whatever the library
+         fclose returns, and -1 for closing a file or pipe that wasn't
+         opened.
+ Sep 24, 2000:
+         permit \n explicitly in character classes; won't work right
+         if comes in as "[\n]" but ok as /[\n]/, because of multiple
+         processing of \'s.  thanks to arnold robbins.
+ July 5, 2000:
+         minor fiddles in tran.c to keep compilers happy about uschar.
+         thanks to norman wilson.
+ May 25, 2000:
+         yet another attempt at making 8-bit input work, with another
+         band-aid in b.c (member()), and some (uschar) casts to head
+         off potential errors in subscripts (like isdigit).  also
+         changed HAT to NCHARS-2.  thanks again to santiago vila.
+         changed maketab.c to ignore apparently out of range definitions
+         instead of halting; new freeBSD generates one.  thanks to
+         jon snader <jsnader@ix.netcom.com> for pointing out the problem.
+ May 2, 2000:
+         fixed an 8-bit problem in b.c by making several char*'s into
+         unsigned char*'s.  not clear i have them all yet.  thanks to
+         Santiago Vila <sanvila@unex.es> for the bug report.
+ Apr 21, 2000:
+         finally found and fixed a memory leak in function call; it's
+         been there since functions were added ~1983.  thanks to
+         jon bentley for the test case that found it.
+         added test in envinit to catch environment "variables" with
+         names begining with '='; thanks to Berend Hasselman.
+ Jul 28, 1999:
+         added test in defn() to catch function foo(foo), which
+         otherwise recurses until core dump.  thanks to arnold
+         robbins for noticing this.
  Jun 20, 1999:
          added *bp in gettok in lex.c; appears possible to exit function
          without terminating the string.  thanks to russ cox.
-Line 49
+Line 99
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  Apr 16, 1999:
          with code kindly provided by Bruce Lilly, awk now parses
          /=/ and similar constructs more sensibly in more places.
+         Bruce also provided some helpful test cases.
  Apr 5, 1999:
          changed true/false to True/False in run.c to make it