Manual and usage updates.
 [rsc] --rw-rw-r-- M 23513 glenda sys 9730 Dec 10 11:44 sys/man/1/acid
	/n/sourcesdump/2005/1210/plan9/sys/man/1/acid:4,13 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/acid:4,13
	  .SH SYNOPSIS
	  .B acid
	  [
	- .BI -l " libfile
	+ .B -kqw
	  ]
	  [
	- .B -wq
	+ .BI -l " library
	  ] [
	  .B -m
	  .I machine
	/n/sourcesdump/2005/1210/plan9/sys/man/1/acid:89,95 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/acid:89,95
	  Definitions in any file may override previously defined functions.
	  If the function
	  .IR acidinit ()
	- is defined, it will be invoked after all modules have been loaded.
	+ is defined, it will be invoked after all libraries have been loaded.
	  See
	  .IR 2c (1)
	  for information about creating
 [rsc] --rw-rw-r-- M 23513 glenda sys 18105 Dec 10 11:44 sys/man/1/acme
	/n/sourcesdump/2005/1210/plan9/sys/man/1/acme:7,12 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/acme:7,16
	  .B -ab
	  ]
	  [
	+ .B -c
	+ .I ncol
	+ ]
	+ [
	  .B -f
	  .I varfont
	  ]
	/n/sourcesdump/2005/1210/plan9/sys/man/1/acme:15,26 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/acme:19,26
	  .I fixfont
	  ]
	  [
	- .B -c
	- .I ncol
	- ]
	- [
	  .B -l
	- .I file
	+ .I loadfile
	  |
	  .I file
	  \&... ]
	/n/sourcesdump/2005/1210/plan9/sys/man/1/acme:54,60 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/acme:54,60
	  .B -l
	  option, the state of the entire system is loaded
	  from
	- .IR file ,
	+ .IR loadfile ,
	  which should have been created by a
	  .B Dump
	  command (q.v.),
 [rsc] --rw-rw-r-- M 23513 glenda sys 2737 Dec 10 11:44 sys/man/1/ascii
	/n/sourcesdump/2005/1210/plan9/sys/man/1/ascii:4,16 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/ascii:4,16
	  .SH SYNOPSIS
	  .B ascii
	  [
	- .B -8
	+ .B -8cnt
	  ]
	  [
	- .BI -oxdb n
	- ]
	- [
	- .B -nct
	+ .B -dox
	+ |
	+ .B -b
	+ .I n
	  ]
	  [
	  .I text
 [rsc] --rw-rw-r-- M 23513 glenda sys 10881 Dec 10 11:44 sys/man/1/awk
	/n/sourcesdump/2005/1210/plan9/sys/man/1/awk:4,26 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/awk:4,35
	  .SH SYNOPSIS
	  .B awk
	  [
	- .BI -F fs
	+ .B -F
	+ .I fs
	  ]
	  [
	- .BI -v
	- .I var=value
	+ .B -d
	  ]
	  [
	- .BI -mr n
	+ .BI -mf
	+ .I n
	  ]
	  [
	- .BI -mf n
	+ .B -mr
	+ .I n
	  ]
	  [
	+ .B -safe
	+ ]
	+ [
	+ .B -v
	+ .I var=value
	+ ]
	+ [
	  .B -f
	+ .I progfile
	+ |
	  .I prog
	- [
	- .I prog
	  ]
	  [
	  .I file ...
	/n/sourcesdump/2005/1210/plan9/sys/man/1/awk:30,40 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/awk:39,49
	  scans each input
	  .I file
	  for lines that match any of a set of patterns specified literally in
	- .IR prog
	+ .I prog
	  or in one or more files
	  specified as
	  .B -f
	- .IR file .
	+ .IR progfile .
	  With each pattern
	  there can be an associated action that will be performed
	  when a line of a
	/n/sourcesdump/2005/1210/plan9/sys/man/1/awk:56,68 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/awk:65,76
	  .B -v
	  followed by
	  .I var=value
	- is an assignment to be done before
	- .I prog
	+ is an assignment to be done before the program
	  is executed;
	  any number of
	  .B -v
	  options may be present.
	- .B \-F
	+ .B -F
	  .IR fs
	  option defines the input field separator to be the regular expression
	  .IR fs .
	/n/sourcesdump/2005/1210/plan9/sys/man/1/awk:82,92 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/awk:90,113
	  .PP
	  To compensate for inadequate implementation of storage management,
	  the 
	- .B \-mr
	+ .B -mr
	  option can be used to set the maximum size of the input record,
	  and the
	- .B \-mf
	+ .B -mf
	  option to set the maximum number of fields.
	+ .PP
	+ The
	+ .B -safe
	+ option causes
	+ .I awk
	+ to run in 
	+ ``safe mode,''
	+ in which it is not allowed to 
	+ run shell commands or open files
	+ and the environment is not made available
	+ in the 
	+ .B ENVIRON
	+ variable.
	  .PP
	  A pattern-action statement has the form
	  .IP
 [rsc] --rw-rw-r-- M 23513 glenda sys 3784 Dec 10 11:44 sys/man/1/bc
	/n/sourcesdump/2005/1210/plan9/sys/man/1/bc:4,18 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/bc:4,12
	  .SH SYNOPSIS
	  .B bc
	  [
	- .B -c
	+ .B -cdls
	  ]
	  [
	- .B -l
	- ]
	- [
	- .B -s
	- ]
	- [
	  .I file ...
	  ]
	  .SH DESCRIPTION
	/n/sourcesdump/2005/1210/plan9/sys/man/1/bc:22,34 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/1/bc:16,32
	  to 100 digits right of the decimal point.
	  It takes input from any files given, then reads
	  the standard input.
	+ .PP
	  The
	+ .B -d
	+ option enables debugging output.
	+ The
	  .B -l
	- argument stands for the name
	+ option stands for the name
	  of an arbitrary precision math library.
	  The
	  .B -s
	- argument suppresses the automatic display
	+ option suppresses the automatic display
	  of calculation results; all output is via the
	  .B print
	  command.
 [rsc] --rw-rw-r-- M 23513 glenda sys 8561 Dec 10 11:44 sys/src/cmd/acid/main.c
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/acid/main.c:22,28 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/acid/main.c:22,28
	  void
	  usage(void)
	  {
	- 	fprint(2, "usage: acid [-l module] [-m machine] [-qrw] [-k] [pid] [file]\n");
	+ 	fprint(2, "usage: acid [-kqw] [-l library] [-m machine] [pid] [file]\n");
	  	exits("usage");
	  }
	  

@1134234084.0
 [rsc] --rw-rw-r-- M 23513 glenda sys 10274 Dec 10 11:44 sys/man/4/acme
	/n/sourcesdump/2005/1210/plan9/sys/man/4/acme:4,16 - 
	/n/sourcesdump/2005/1211/plan9/sys/man/4/acme:4,27
	  .SH SYNOPSIS
	  .B acme
	  [
	+ .B -ab
	+ ]
	+ [
	+ .B -c
	+ .I ncol
	+ ]
	+ [
	  .B -f
	  .I varfont
	- ] [
	+ ]
	+ [
	  .B -F
	  .I fixfont
	  ]
	  [
	+ .B -l
	+ .I file
	+ |
	  .I file
	  \&... ]
	  .SH DESCRIPTION
 [rsc] --rw-rw-r-- M 23513 glenda sys 19621 Dec 10 11:44 sys/src/cmd/acme/acme.c
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/acme/acme.c:101,107 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/acme/acme.c:101,107
	  		break;
	  	default:
	  	Usage:
	- 		fprint(2, "usage: acme -a -c ncol -f fontname -F fixedwidthfontname -l loadfile\n");
	+ 		fprint(2, "usage: acme [-ab] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
	  		exits("usage");
	  	}ARGEND
	  

@1134234084.0
 [rsc] --rw-rw-r-- M 23513 glenda sys 3980 Dec 10 11:44 sys/src/cmd/ascii.c
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/ascii.c:112,118 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/ascii.c:112,118
	  void
	  usage(void)
	  {
	- 	fprint(2, "usage: %s [-8] [-xod | -b8] [-ncst] [--] [text]\n", argv0);
	+ 	fprint(2, "usage: %s [-8cnt] [-dox | -b n] [text]\n", argv0);
	  	exits("usage");
	  }
	  void

@1134234084.0
 [rsc] --rw-rw-r-- M 23513 glenda sys 5281 Dec 10 11:44 sys/src/cmd/awk/main.c
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/awk/main.c:57,63 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/awk/main.c:57,63
	  
	  	cmdname = argv[0];
	  	if (argc == 1) {
	- 		fprintf(stderr, "Usage: %s [-f programfile | 'program'] [-Ffieldsep] [-v var=value] [files]\n", cmdname);
	+ 		fprintf(stderr, "Usage: %s [-F fieldsep] [-mf n] [-mr n] [-v var=value] [-f programfile | 'program'] [file ...]\n", cmdname);
	  		exit(1);
	  	}
	  	signal(SIGFPE, fpecatch);

@1134234084.0
 [rsc] --rw-rw-r-- M 23513 glenda sys 13455 Dec 10 11:44 sys/src/cmd/bc.y
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/bc.y:956,962 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/bc.y:956,962
	  			sflag++;
	  			break;
	  		default:
	- 			fprint(2, "Usage: bc [-l] [-c] [file ...]\n");
	+ 			fprint(2, "Usage: bc [-cdls] [file ...]\n");
	  			exits("usage");
	  		}
	  		argc--;

Remove fake malloc.
 [jmk] --rw-rw-r-- M 23513 jmk sys 445 Dec 10 19:39 sys/src/cmd/7l/compat.c
 [jmk] --rwxrwxr-- M 23513 glenda sys 5002 Dec 10 19:39 sys/src/cmd/7l/l.h
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/7l/l.h:286,291 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/7l/l.h:286,292
	  void	lput(long);
	  void	lputbe(long);
	  void	mkfwd(void);
	+ void*	mysbrk(ulong);
	  void	names(void);
	  void	nocache(Prog*);
	  void	noops(void);
 [jmk] --rwxrwxr-- M 23513 glenda sys 372 Dec 10 19:39 sys/src/cmd/7l/mkfile
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/7l/mkfile:11,16 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/7l/mkfile:11,17
	  	sched.$O\
	  	span.$O\
	  	enam.$O\
	+ 	compat.$O\
	  
	  HFILES=\
	  	l.h\
 [jmk] --rwxrwxr-- M 23513 glenda sys 22824 Dec 10 19:39 sys/src/cmd/7l/obj.c
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/7l/obj.c:1032,1038 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/7l/obj.c:1032,1038
	  		if(thunk >= 25L*NHUNK)
	  			nh = 25L*NHUNK;
	  	}
	- 	h = sbrk(nh);
	+ 	h = mysbrk(nh);
	  	if(h == (char*)-1) {
	  		diag("out of memory");
	  		errorexit();
	/n/sourcesdump/2005/1210/plan9/sys/src/cmd/7l/obj.c:1316,1362 - 
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/7l/obj.c:1316,1319
	  	exp = (ieee->h>>20) & ((1L<<11)-1L);
	  	exp -= (1L<<10) - 2L;
	  	return ldexp(fr, exp);
	- }
	- 
	- /*
	-  * fake malloc
	-  */
	- void*
	- malloc(ulong n)
	- {
	- 	void *p;
	- 
	- 	while(n & 7)
	- 		n++;
	- 	while(nhunk < n)
	- 		gethunk();
	- 	p = hunk;
	- 	nhunk -= n;
	- 	hunk += n;
	- 	return p;
	- }
	- 
	- void
	- free(void *p)
	- {
	- 	USED(p);
	- }
	- 
	- void*
	- calloc(ulong m, ulong n)
	- {
	- 	void *p;
	- 
	- 	n *= m;
	- 	p = malloc(n);
	- 	memset(p, 0, n);
	- 	return p;
	- }
	- 
	- void*
	- realloc(void*, ulong)
	- {
	- 	fprint(2, "realloc called\n");
	- 	abort();
	- 	return 0;
	  }