CHANGES

20140525
	implement & in replacement text in sed
20140524
	utflen in styx.b (probably ought to be in Sys) supporting 21-bit unicode (issue 314)
	allow slashes in anames [fixed by kristofwyzc, issue 312]
20140518
	sh(2): exec -> run [issue 311]
20140501
	add -s option to dns in cs(8) [issue 310]
	don't send nil soa to dnscache [issue 309]
20140302
	utils/cc/funct.c - remove out-of-bounds reference
	os/ipaq1110, ip/ipaux.c, os/sa1110 - add default cases to keep compiler happy
20140223
	/dis/sig: use raise not exit for errors
20140105
	incorrect check on keyname in getauthinfo [issue 306]
20130906
	remove redundant code
20130529
	appl/cmd/cpu.b: use Dial, and neither test /dev/draw/new nor bind #d (which is wrong anyway, it's #i for drawing now)
20130423
	mkfiles/mkfile-MacOSX-386: set 32-bit mode, and macosx-version-min to 10.6 [via http://debu.gs/entries/interlude-inferno-at-work]
20121210
	utils/awk/run.c - prevent free of pointer still in use [cinap]
20121205
	appl/cmd/mk/mksubdirs [issue 290 change suggested by powerman]
20120918
	remove unused/unusable debug/setdebug from appl/lib/auth9.b and replace Keyring by Crypt
20120820
	emu/port/devip.c reset headers flag in Conv
20120725
	increase KSTACK for Linux/arm
20120615
	add configuration emu/FreeBSD/emu-g [powerman]
20120509
	utils/libmach: add missing user stack top initialisers, minor changes to sync with 9
20120507
	mkfiles/mkfile-MacOSX-386 change cc to gcc
	emu/MacOSX/win.c null out drawcursor
20120424
	utils/cc/Posix.c and utils/c2l/Posix.c: correct definition of mydup for POSIX dup/dup2
	libbio/bprint.c error handling if flush or print fails
20120305
	add -I$ROOT/(Plan9|Inferno)/include to CFLAGS in mkfiles/^(mkfile-Plan9* mkfile-Inferno*)
		change specific object type to $OBJTYPE in the same
	libmath/fdlibm/fdlibm.h and libmath/dtoa.c, if USE_FPdbleword defined, use FPdbleword to crack doubles into integers
20120304
	rabin(2) added (preliminary)
20120213
	styxservers: add .error operation (preliminary)
20120116
	lib9.h: internally rename qsort as infqsort to avoid C library clash
	lib9/qsort.c: include lib9.h
	lib9/mkfile: move qsort to IMPORTFILES from COMMONFILES
20120103
	avoid re-defining isnan; use isNaN instead
20111231
	Linux/*/include/emu.h adjustments for USE_PTHREADS for non-x86 processors
20111221
	add `...` uninterpreted string literals to limbo/lex.c, appl/cmd/limbo/lex.b
20111215
	liblogfs,libnandfs: use logfsos.h (added to include) to make library source independent of os
	add fonts/vera
	add fonts/courier
20111214
	change Linux port to use pthreads instead of clone directly
	emu/Linux: rename os.c to os-clone.c; rename osp.c to os.c
	emu/Linux/mkfile: remove -lrt, add kproc-pthreads.$O
	Linux/*/include: define USE_PTHREADS
	Linux/386/include/emu.h: increase KSTACK to 32k for Linux gethost* functions
20111003
	libinterp/heap.c:/^dtype discount size of map [issue 258]
20110820
	emu/*/devfs.c, emu/port/devfs-posix.c - stubs for osdisksize, Linux implementation of osdisksize
	emu/port/devfs-posix.c - also try SOCK_DGRAM for AF_UNIX [issue 269]
20110819
	appl/cmd/mk/mk.b - use raise "fail:..." for exit status [issue 268]
20110629
	change x86 getcallerpc to avoid use of %ebp [issue 266]
	change type of getcallerpc to uintptr from ulong
20110619
	emu/port/devfs-posix.c: put major/minor st_dev into path without mapping (with luck)
	emu/port/kproc-pthreads.c: ensure pthread stack is at least PTHREAD_STACK_MIN (plus slop)
20110526
	change osyield in Windows to use SwitchToThread instead of sleep(0) [e-mail list]
20110525
	utils/[5678kqv]c/mkfile - include -I. before $CFLAGS to ensure right gc.h [issue 264]
20110516
	merge changes from vac branch of mechiel-inferno-os (googlecode)
20110426
	emu/Linux/asm-arm.S linux system call interface changed [issue 215, mechiel]
20110419
	libinterp/tk.c:/^Tk_rect shouldn't return non-canonical rectangles
	/appl/wm/mand.b handle reshape to empty rectangles
20110408
	appl/lib/json.b - have writeval produce same (correct) form as .text for Real [issue 230]
20110407
	fix embarrassingly broken Lists->delete; add Lists->find [issue 257]
	add some extra explanation to sys-dup(2) about fildes
20110404
	update Nt/386/bin
	/limbo/com.c - count constants in qualifiers, not qualifiers [issue 212, mechiel]
	/appl/cmd/limbo/com.b [also issue 212]
20110403
	secstore(2) and secstore(1) updated to implement writing [issue 256, mechiel]
20110402
	revision to devsrv.c change [issue 244] to avoid two calls to delwaiting
20110330
	call strtol not atoi for hex numbers [issue 255, mechiel]
20110329
	utils/mkdir/mkdir.c - add -p option [mechiel, issue 250]
	emu/Linux/mkfile - try searching -lpthread after -lrt for sem_* [issue 247]
	emu/port/devfs-posix.c - treat unix domain sockets as files (open/read/write/close) [npe, rsc, issue 254]
	emu/port/devfs-posix.c - use volatile correctly; slight code tidy
	emu/lib9/errstr-posix.c replace EINTR's error string by Eintr's text
20110315
	libtk/textw.c - fix mysterious control characters for editing (D and K) [issue 253, fix from mechiel]
20110225
	split emu.h from lib9.h for all platforms
	kproc in emu is now a void type as in os
20110224
	move private mem flag to Progs [issue 240, mechiel]
20110224
20110208
	emu/Linux/os.c - use -lrt's semaphores instead of signals
	emu/Linux/mkfile - add -lrt to library list, and push out separation of X11LIBS from SYSLIBS for emu-g done ages ago
20110126
	emu/MacOSX/os.c - move a free to a more sensible place
20110117
	emu/Nt/ipif.c changed to work with ipv6 interface changes
20110116
	add Plan9/arm support [provided by richard miller]
20110110	
	utils/libmach/qdb.c [issue 245] restore renaming of qdiv as qmuldiv
20110104
	emu/MacOSX/win.c detect double clicks [issue 232, jas]
	emu/MacOSX/os.c replace erendezvous by a per-kproc semaphore for osblock/osready
20101220
	changes to srv(3) to notify client when server vanishes [issue 244, thanks to powerman and roger]
20101205
	change a few types in ipif-posix.c to appease the gods
	emu/MacOSX/mkfile - include portmkfile at correct point for LIBFILES to work (and other, minor, changes) [issue 24]
20101127
	emu/port/*ip*.[ch] and emu/Nt/ipif*.c updated with new interface for ipv6 support [mechiel] [issue 193]
	emu/Linux/os.c address compilation warnings (setfcr etc still to do)
20101125
	asm/assem.c don't attempt to use missing src (issue 243)
20100925
	appl/lib/w3c/uris.b - handle existing Unicode characters if they happen not to have been encoded into string
	appl/svc/httpd/parser.b - similar [response to issue 233]
20100914
	emu/Nt/os.c - replace trap handling
20100822
	correct handling of mouse focus in sub-widgets of widget windowed in text [issue 241]
	add various warnings to mkfile-Linux-386
20100821
	correct handling of mouse focus in sub-widgets of widget windowed in canvas [issue 241]
20100819
	failed to push Solaris/sparc/include/lib9.h with u64int change [issue 151]
	appl/cmd/ar.b eliminate false error return
20100810
	initial introduction of crypt-*(2) and ipints(2)
	replace keyring.m in module/runt.m by ipints.m and crypt.m; compensate in libinterp and libkeyring by using keyringif.m to generate Keyring's interface
20100802
	various changes held back by accident, notably stackv in stack(1), better diagnostics by cat(1)
20100801
	libtk/coval.c - simplify vlong expression for some compilers [issue 216, mechiel]
20100727
	on Linux and MacOSX, look at faulting address to decide if it's dereference of nil
20100722
	include/bio.h add varargck and repair resulting diagnostics in utils and limbo/ [issue 237, mechiel]
20100719
	appl/cmd/disk/mkfs.b change getname/getpath to cope with missing newline [issue 236]
20100715
	appl/wm/toolbar.b changed not to create new /chan/snarf if one exists, unless -p (private) option given [toolbar(1)]
	utils/cc/macbody - add overlooked change to implement __VA_ARGS__
	other minor updates to the compilers to resync
20100714
	correctly initialise types in utils/cc/sub.c
20100504
	change lib9/strtoull.c for MS
20100503
	updated libmach/8db.c to avoid [] initialisers
20100501
	update libmach to compensate for MS compiler
20100426
	updated libmach
	updated compiler suites (continuing)
20100425
	appl/wm/wm.b shorten processing of wmctl close if client hadn't started
20100406
	fix handling of boundary case in libtk/utils.c
20100402
	add new option OPTflags to libtk for later use
20100325
	more swizzling of libtk for later use. revised radio and check buttons.
20100322
	a few tweaks to Tk for later use
20100320
	appl/lib/json.b dis/lib/json.dis - use %f not string <real-value> to ensure json value acceptable [issue 230, powerman]
20100310
	stop tabs(2) from issuing pointless tk cmd that produces diagnostics
20100305
	add emu/Linux/audio-oss.c from saoret.one [issue 226]
20100226
	mention -n nvram option in keyfs(4)
20100220
	appl/cmd/keyfs.b wasn't clunking fids on error in remove [issue 225]
20100213
	apply saoret.one's changes for thumb [issue 155]
20100205
	update man pages to replace most references to Styx by 9P
	update man pages to replace references to sys-dial(2) by dial(2)
	add DragonFly files (from fgudin and extrudedaluminiu, issue 181); possibly should automatically keep aligned with FreeBSD
	fpe handling in OpenBSD and FreeBSD [mechiel, issue 190]
	appl/cmd/vacfs.b apply fix from mechiel [issue 204]
20100203
	appl/lib/cfg.b treat \r as white space [issue 69, issue 70]
	add u64int to lib9.h files that needed it
	add sha2.c sha256block.c sha512block.c to libsec/port and include/libsec.h [issue 185, mechiel]
	add new sha functions to module/keyring.m and libinterp/keyring.c
20100115
	appl/cmd/tarfs.b man/4/tarfs changes to permission handling from mechiel [issue 220]
	appl/spree/mkfile add explicit -I$ROOT/module [issue 209, powerman]
20100110
	appl/cmd/tcs.b [issue 12, arvindht]: process unconverted bytes next cycle, flush conversion state; improve error checking
20091219
	change default roots in Nt utils to c:\inferno
20091215
	factotum(2) updated to include keyspec in signature
	appl/cmd/mount.b uses -k value as keyspec if -9 selected [not to much purpose with current factotum's p9any]
	bind(1) [for mount] updated to describe -k used for keyspec if -9 selected
20091214
	switch more commands to use dial(2)
	change emu/Linux/emu-g not to require X11 libs (again)
20091213
	temper the tendancy of port/dis.c to yield during idle gc: it's compensating for os scheduling, but yield less often
20091208
	add mkdir -p to makemk.sh to ensure output directories exist [issue 213]
20091127
	problems fixed in styxconv(2), which can now convert both ways [rog]
20091119
	emu/port/devfs-posix.c	missing waserror in dirread (obscure but possible failure)
20091007
	remove intermediate exception-raising function from charon implementation
20091004
	restore "keyring" to lib section of emu/Plan9/emu
20090930
	emu/*/ipif*.c make "hangup" act as in native Inferno; also delete unused so_setsockopt
	provide correct version of devmnt.c
20090928
	update import(4) to remove the restriction to Plan 9 (can use Inferno's own factotum)
	(emu os)^/port/devmnt.c fix from plan 9 (don't access vanished data)
20090830
	check subexp length in ed [cmbrannon79]
20090825
	add netmkaddr call to /appl/cmd/ftpfs.b; send errors to standard error
20090824
	delete unused (and somewhat incomplete) pin support
20090822
	in the what were we thinking dept: appl/cmd/touch.b and dis/touch.dis updated to avoid using an Arg after nil'ing it [thanks to cmbrannon]
	make progmode propagate to pgrps; recover from exceptions in pgrp creation
20090821
	emu/Nt/^(os.c ie-os.c) add #include <excpt.h>
20090819
	appl/cmd/mk/mk.b replace maketmp/mktemp (issue 202, mechiel); also old change: don't persist with bulkmtime on non-directories
20090816
	registry(4) Event.post increased rootvers when entries are written or removed (issue 179, powerman)
20090809
	bring mkfs(8) up to date (issue 176)
	remove -q options from mkfs and mkext (-q was a transitional option to suppress quoting of file names)
20090806
	increase `backlog' value in all listen calls in hosted Inferno (emu/*/ipif*.c) [powerman]
20090805
	further checking added to libinterp/keyring.c: rejects incorrect states and out of bounds values of f->n
	add lib/emptydirs and mkdirs target to /mkfile (utils/mkdir needs to be changed for Windows use)
20090730
	improve the error checking in strtosk and strtopk to help detect mangled or inappropriate keys
20090728
	emu/port/main.c: put host's working directory name as emuwdir
	document initial environment variables in emu(1)
	appl/lib/bufio.b dis/lib/bufio.dis [issue 199] don't lose track of actual file seek offset (following second suggestion of mjl)
	issue 196: after general apologies for appl/svc/httpd/cache.b (don't look if you don't need it, not one of ours, etc. etc.) will patch as suggested by extrudedaluminiu(!) [vs]
20090719
	correct order of operands to memset(!), eg in ipif [mjl]
20090718
	fix appl/cmd/stream.b error exits to include fail: [mjl]
20090717
	fix appl/lib/ip.b (see issue 186) [mjl]
	re-enable XK_ keys in port/win-x11a.c [mjl]
20090716
	add segflush calls to comp-386.c [probably need different name eventually to avoid time wasting when not needed]
20090630
	add sig (see man(1)) [via p9p and caerwyn]
20090627
	push changes described for arm in 20090330 (but not previously pushed)
	begin change of inferno-os.googlecode.com from svn to mercurial
200090612
	added support for Linux-power (ericvh; and further simplified)
20090605
	appl/cmd/disk/kfs.b dis/disk/kfs.dis - don't try to update super block if readonly(!) [issue 175]
20090526
	emu/Nt/os.c allow /dev/hoststdin input on file or pipe (thanks to caerwyn, issue 173)
	emu/port/devfs-posix.c correct handling of error return from pread (issue 172, but goes beyond that)
	emu/port/exportfs.c os/port/exportfs.c use vlong for offset
20090524
	appl/cmd/tarfs.b dis/tarfs.dis - remove accidentally small limit on file size in tar file (issue 172)
20090521
	module/vac.m appl/cmd/vacfs.b appl/lib/vac.b [issue 152] (Mecchiel)
20090505
	add -h/-t header/trailer options to man2html
20090430
	filter-deflate(2), appl/lib/^(inflate.b deflate.b): changes from mjl to support zlib headers for deflate streams as well as gzip's
20090417
	add m4(1) in its initial form (might split the macro processing proper off into a library module)
20090409
	tools/odbc/odbc.c data read should return 0 if no columns or rows (issue 170)
20090408
	tools/odbc/odbc.c use strecpy and more care in allocation (issue 169)
20090403
	change ,2 to ,#function in Solaris sparc assembler files (apparently works in gcc and sun's)
	make appl/wm/brutus.b pass input to its widgets (issue 105)
	enable fullscreen mode in MacOSX (issue 148)
20090402
	add missing emu/Linux/segflush-*.c files and remove ARM segflush from os.c
20090402
	ramfile and logfile shouldn't set Sys->MCREATE (issue 137)
20090401
	appl/cmd/limbo/typecheck.b check correctly for function prevented from inline expansion
20090330
	use (low, high) order for words in vlong and fp on arm: libinterp/comp-arm.c, Inferno/arm/include/^(lib9.h u.h)
		also os/*/fpi.h (for arm platforms), exchanging order of ulongs in Double
		also libkern/^(vlrt-arm.c vlop-arm.s vlop-thumb.s frexp-arm.c frexp-thumb.c)
	include changes from richard miller for little-endian mips (spim) and Linux/spim hosted
	libmath/dtoa.c: use simpler code to avoid gcc bug on mips and perhaps other platforms (rmiller)
20090330-branches/forse
	include appl/cmd/ssh source (won't compile here because it needs the keyring changes)
20090325-branches/forse
	emu/* adopt changes to Chan (Dev* dev pointer instead of int type)
20090320
	emu/port/win-x11a.c: unintuitively use xdisplay not xkbdcon to send to kbdproc (with big stack) to change cursor
		(the big stack is needed because XCreateBitmapFromData and XPutImage pass control to theme-related code that uses lots of stack space)
	use uname not aname for user name in libstyx and set aname to "" by default
	make odbc's new file have mode 666 so others can open it
	add styxsetowner function to styxserver.h to set default owner (eve)
	move styxserver.h to inferno's include directory
20090222
	appl/cmd/ndb/registry.b and dis/registry.dis - implement flush for event file (issue 162)
20090217
	appl/cmd/limbo/stubs.b limbo/stubs.c - include length parameter to builtinmod (could just be 0 in most cases)
	change f->ret/destroy code in stubs.c/stubs.b to destroy correctly in case of exceptions
20090202
	emu/port/win-x11a.c: might as well try this everywhere now
20090127
	libinterp/xec.c: fix gc problem with self
20090122
	libinterp/string.c: slicer can return H for empty slice after bounds check (brucee)
20081119
	os/pc/^(main.c fns.h) more idle idlehands
20081112
	emu/Linux/asm-arm.S old failure to use different regs for swp finally changed here
	libmath/blas.c compensate for gcc bug on arm
20081107
	replace calls to calloc by malloc
20081106
	os/port/dis.c prevent new spawns during killgrp
	also synchronise two killgrps of the same group
20081105
	emu/port/dis.c prevent new spawns during killgrp [#117]
20081022
	sh: ignore leading white space in fail: strings, and change empty tail to "failed"
	/emu/port/devfs-posix.c don't call readdir after it has returned end of file
20081021
	/appl/cmd/auth/ai2key.b new command to convert authinfo files to factotum keys
	/appl/cmd/auth/factotum/proto/infauth.b allow new key format
20081019
	/appl/cmd/man2html.b implement "\ " => "&nbsp;"
	/man/3/prog change way a literal " was formatted
	/man/8/srv deleted (obsolete)
	removed reference to srv(8) from sys-pctl(2)
20080909
	/appl/cmd/puttar.b add extra empty block at end of archive as required by format
20080907
	include some changes from acme-sac in emu/Nt/devfs.c; need further control of usesec (or discard it)
20080723
	rename Inferno's yacc to iyacc to avoid clash with system's own (now that Linux and others distribute it)
20080707
	update emu/port/win-x11a.c (fix someone's earlier patch to stop using undefined value)
	emu/port/main.c mark obsolete options and remove from usage
20080705
	update utils/sed, eliminating anonymous unions (just by commenting them out, to keep source in step with 9)
		and several other changes for portability
20080703
	remove anonymous unions (and unused structs) from unpacking structures in emu/Nt/vlrt.c, not that it's used
20080617
	win-x11a.c add sqweek's change to pass on KeyRelease values (but perhaps 1-byte values are no longer enough?)
20080614
	change os/port/devcons.c to use error not panic in sysfatal
20080612
	change several libmp/port functions to use sysfatal not abort
	change emu/port/main.c to have sysfatal call error not exit
20080611
	Keyring->dhparams to use DSAprimes in special case
	IPint.random now ignores minint (will go next revision)
	BigInt -> mpint*
	checkIPint in libinterp/ipint.c
	default keys in auth/createsignerkey are 1024 not 512 bits
	update os/boot/pc
20080610
	push sh-mload(1) and changes to sh-expr(1)
20080609
	_tas type changed from ulong to int
20080530
	issue 91: _declspec changed to __declspec in Nt files
	issue 92: argv0 declaration changed to extern from static in emu/Nt/win.c
20080529
	limbo/stubs.c: allow pick adt types
20080528
	emu/port/win-x11a.c screen depth checks from drawterm via tim@nop.cx
20080524
	add missing NetBSD files
20080522
	dis/lib/msgio.dis appl/lib/msgio.b - fix incorrect check for 16rFF
	add OpenBSD changes from tim@nop.cx (more changes to follow shortly that cause changes elsewhere)
20080416
	fix emu/Nt/os.c use of wrong name for null value
	move win/win-x11a references to emu/*/emu config files from emu/*/mkfile
20080415
	googlecode update with correct dis files for acme
	tidier code for hoststderr
	emu/port/win-x11a.c changes that attempt to satisfy libxcb's locking requirements
20080322
	enable hoststderr, following acme-sac
20080319
	ip/sntp neither read nor set the time correctly
20080311
	in appl/lib/names.b define "" as valid prefix for anything
20080304
	auth/secstore uses dial module
20080210
	add auth/dsagen
20080204
	emu/*/*ipif*.c and devip.c: try to allow local address to be set (changes so_bind signature in emu/ip.h)
20080201
	change foldbranch in limbo/gen.c to prevent loss of `no return value' diagnostics
20080131
	update emu/Nt/^(os.c ie-os.c ie-win.c ie emu), but properly this time [issue 81]
	remove _USE_32BIT_TIME_T from Nt/386/include/lib9.h, and time() def'n from emu/Nt/*.c [issue 81]
20080130
	failed to return nil from Jvalue.get in appl/lib/json.b if member name didn't match
	similar problem in appl/lib/ubfa.b
	add msgio(2)
20080124
	fix emu/port/devssl.c os/port/devssl.c not to keep the directory numbers(!)
20080122
	update appl/lib/db.b: allow for split i/o on pipes or tcp/ip; eliminate lock process
	eliminate more unused identifier warnings (courtesy acme-sac)
20080121
	skip trailing '=' in b64 rep of IPint
20080120
	forgot to push updated appl/lib/x509.b during keyring changes
20080116
	add rsa to factotum
	set but not used changes from Acme-sac
	mdb(1) changes from Acme-sac
	ftpfs uses new dial(2)
	add qbypass to emu/port/qio.c
	sed fix issue 49
	add blowfish to keyring-crypt(2)
	add challenge/response to factotum(2)
20080115
	add blowfish to keyring (not yet documented)
	add explicit public and private key types to keyring (in development: not yet documented)
	add IPint.mod, IPint.iptob64z
20080111
	add newuser to newns(2)
20080109
	Sys->iounit should accept any valid file descriptor, not just ORDWR
20071227
	add styxflush(2) etc.
	add NetBSD, emu/NetBSD
20071217
	emu/port/devmnt.c needs volatile for alloc
20071213
	emu/port/dev.c needs volatile for alloc
20071129
	emu/port/devip.c: moan about bad IP addresses
20071127
	added /module/dial.m and /appl/lib/dial.b
20071031
	module/keyring.m and libinterp/keyring.c: add algorithm-specific adts for public key systems
	appl/lib/spki/spki.b: correct names for dsa parameters
20071030
	libkeyring/rsaalg.c should call rsaprivfree not free
20071027
	appl/lib/names.b correction for "/" as prefix
20071019
	change emu/port/devfs-posix.c to update uid/gid map incrementally
20071015
	add cap creation to infauth in server role in factotum
20071011
	remove obsolete references to sh-exception(2)
20071010
	add abhey's changes for cmd key as unicode compose key for MacOS X to emu/MacOSX/win.c
20071008
	nemo's change to emu/port/random.c; really the file needs a little rewriting for clarity (too many overlapping states)
20071002
	ensure fmtdef.h included by some lib9 functions so that va_copy is defined on older systems that lack that needless notion
	<{} and >{} added to sh(1)
20070929
	move emu/MacOSX/mkfile to .../mkfile-x11 and replace it by the variant that builds for Carbon, now the default
20070927
	add working drawcursor to emu/MacOSX/win.c, based on mirtchovski's changes (but mapping general cursor images to Mac's form)
20070910
	update spki(2) [change handling of hashes, add signature functions] appl/lib/spki/spki.b module/spki.m, updated for GSoC
20070906
	add toreal to string(2)
20070905
	/appl/cmd/ed.b (caerwyn's fix for g/.../d)
	also /appl/lib/ecmascript/builtin.b (toupper fix)
20070902
	make /appl/lib/daytime.b accept Daytime->text's output; add string2tm to man page (issue 59)
20070901
	add andrey's changes to emu/MacOSX/win.c (used by emu/MacOSX/mkfile-a)
	add saoret's changes to dis/lookman, dis/man (issue 58)
	add micah.stetson's change to /appl/cmd/src.b (issue 57)
20070817
	two old changes that weren't in the distribution...
	libkeyring/rsaalg.c: previously failed to ensure the output key was the right length (really rsagen should do that)
	libinterp/alt.c: use a better random number generator
20070814
	bufio.b didn't update the buffer pointers correctly on write errors
20070807
	libinterp/keyring.c don't include owner= if owner is nil or ""
	add auth/rsagen
20070806
	/module/lists.m add PATH(!), also simplify concat implementation
20070725
	/dis/man initialise fils correctly to empty list and remove hack (issue 56)
20070720
	utils/5l/asm.c: ensure SBZ field in MOV is regarded as MBZ (ie, force to zero)
20070714
	add Sys->readn, update sys-read(2)
	copy two repairs from emu/port/inferno.c to os/port/inferno.c
	remove readn implementation from several commands
	print correct diagnostic in appl/cmd/crypt.b
	prevent window titlebars from being dragged out of the main window in wm/wm.b
20070619
	remembered to include /appl/cmd/trfs.b /dis/trfs.dis
20070614
	/appl/lib/venti.b bug fixes, a few more errstrs, remove prints to stderr
	add initial module/vac.m appl/lib/vac.b from mjl (gsoc project ventivac)
	add initial /appl/cmd/^(vacfs.b vacget.b vacput.b) /man/4/vacfs /man/1/vacget from mjl (gsoc:ventivac)
	include omitted man/mkfile man/lib
20070608
	update /lib9 functions to use silly va_copy (and then va_end) instead of just assigning, to account for silly C implementations
	change /appl/cmd/mc.b not to require Draw or Env (so lc works on smaller systems)
	update acme to include the font size data (eg, for use by mc(1))
20070607
	/appl/wm/man.b /appl/lib/man.b to allow 10.1 etc as section references
20070605
	add another xopen #define to lib9.h includes for Linux
	copy plan9 acme's colormix
20070601
	/appl/cmd/ls.b /dis/ls.dis /man/1/ls: document new -F option and -T option
	/appl/cmd/auth/factotum/factotum.b: ignore empty writes, don't fail; make a few diagnostics match plan 9
	rename /appl/cmd/mc.b to /appl/cmd/calc.b; also /man/1/mc to /man/1/calc; /dis/mc.dis to /dis/calc.dis
	add /appl/cmd/mc.b (initial version)
	replace /dis/lc.dis by /dis/lc; remove /appl/cmd/lc.b
	remove /appl/cmd/mathcalc.b /dis/mathcalc.dis /man/1/mathcalc
20070510
	quickly remove references to udp's "oldheaders" because plan 9 removed it
	remove obootpd completely
20070418
	add scan code to X11 (issue 45)
20070411
	if mkconfig has been changed from the distribution, use it to set parameters in makemk.sh (issue 41)
	add iso8859-15 (what? will the line stretch on to the crack of doom?) (issue 43)
20070410
	fix some porting errors in /appl/cmd/look.b
	document look's -r option in look(1)
20070407
	/os/port/^(portdat.h lib.h portfns.h xalloc.c) compatiblity changes with plan 9
	/os/pc ether drivers updated to match plan 9, and os/ip (and a few files in /os/port) also updated, including removing some unreachable code
	/os/ip/tcp.c changes from plan 9 for out-of-sequence segments
20070319
	emu/port/devsrv.c and os/port/devsrv.c delete wc at correct time
20070312
	rename -D and -k options to plumb (old ones still accepted); add -i option to take data from standard input; update man page
	enable 64-bit seeks in /emu/Nt/devfs.c
20070302
	change /mkfile to build yacc earlier, mainly to make bootstrap of a new host easier (makemk.sh and mk install)
	change /utils/mkfile not to build k[acl] and q[acl] on Plan 9, since the system ones are the same
20070228
	make array bounds checking the default for on-the-fly compilers (emu/port/main.c)
	improve wording in security-ssl(2) and ssl(3)
20070227
	/include/fcall.h: ensure unsigned promotion to counter ansi sign-extending rules for GBIT64
	/libmemdraw/draw.c: copy fix to memfillcolor
20070220
	add 0x92 as chip ID for ether91c111.c
20070217
	repair /appl/lib/libc.b and /appl/lib/libc0.b strncmp implementations (used only by c2l output) [inferno-os issue 9]
	/emu/port/devip.c, get socket fd on reopen of ctl
	/appl/acme/exec.b, trim string correctly [inferno-os issue 11]
20070216
	add /module/lists.m, /appl/lib/lists.b, and lists(2)
20070209
	remove debugging -d option to exportfs call in emu/Plan9/devsrv9.c(!)
20070206
	/appl/svc/auth.sh: replace exit by raise
	/man/2/styxservers: document replychan and replydirect
20070201
	update US timezone files to save energy
20070131
	add /appl/lib/convcs/utf16_btos.b, utf16_stob.b etc [rog]
20070130
	fix wording in some of the licence files (eg, remove references to old liberal licence)
20070123
	check lengths properly in devenv.c
	move all of doc into lib/proto/inferno from lib/proto/src
20070122
	add doc/port.ms, doc/port.pdf to src proto.  add brief instructions for source rebuild to port.ms
20070118
	add json(2) {/appl/lib/json.b, /module/json.m, /dis/lib/json.dis} for RFC4627 notation [json(6)]
20070117
	remove duplicate libmp/libsec reference from /mkfile (i assume it wasn't necessary to visit them twice!)
20070116
	move Man from /dis/man.dis (which vanished a few changes ago) to /dis/lib/man.dis.  honestly.  wm/man works again.
20070114
	remove some unused static declarations in /utils/mk/shprint.c
20070111
	delete drawxflush from devdraw.c (call drawq(un)?lock instead)
20070107
	have emu (/emu/port/main.c) check environment variables INFERNO and ROOT before EMU and -r, for inferno root directory
		(haven't yet changed the build system and mkfiles to match)
	remove /include/libcrypt_o.h since the library isn't used
	add complete(2)
20070103
	replace man.dis by Salva Peiró's sh version of plan 9's man script
20061221
	add data2c to Irix package prototype
	remove unwanted .dis/.sbl files from /appl packages
	change liblogfs to GPLv2 from proprietary, to fit google code
	correct cmd(3) to account for new stderr file
20061219
	cmd(3) and thus os(1) change to separate standard output and error streams
	all /emu/*/cmd.c change to account for that (original changes to devcmd.c and MacOSX/cmd.c courtesy Cibernet)
20061215
	replaced things like <???> because gcc annoyingly whines even with 1950's trigraphs off
	libtk/textu.c: uninitialised field in boundary case
	libtk/textw.c: possibly uninitialised value; leave unchanged
	utils/ql/l.h: uchar as to ushort, because of extra ops
20061214
	added fopen to xml.m to allow bufio->sopen and others to be used
20061213
	added MacOSX/386 components
20061013
	updated /os/ip/lookbackmedium.c and /os/ip/rudp.c
20061021
	change /os/port/exportfs.c to allow negotiating up to 64k msize
	(matching /emu/port/exportfs.c)
20060809
	/appl/lib/newns.b uses String->unquoted, if it can load it
20060803
	/libtk/textw.c: default page up/down scrolls 0.75 of a page (to give context); also allows fractional value
20060801
	/utils/data2s/data2s.c: allocate at least one linker byte to empty files to avoid complaints
20060715
	/appl/lib/pop3.b remove defaultserver(); update pop3(2) to remove references to /services
	similarly update smtp(2)
	avoid some boundary cases in /appl/charon/^(build.b layout.b)
20060625
	added caerwynj@gmail.com changes to /appl/acme/acme/mail/src/Mailpop3.b
20060622
	/appl/lib/sets*.b: correct op's implementation of 2r1101
20060613
	added csv(2), /module/csv.m, /appl/lib/csv.b
20060608
	preliminary rfc822(2), /appl/lib/rfc822.b
20060605
	/appl/lib/chanfill.b: remove alt => *
20060601
	fix /appl/lib/dis.b to save the real array once read in
20060526
	/appl/lib/venti.b: fix g64's byte ordering [not that it is, or can be called yet]
20060524
	copy end fix to lib*/utfecpy.c
20060523
	w3c-uris(2): add a .copy() operation
20060518
	/Nt/386/include/lib9.h define _USE_32BIT_TIME_T and deprecate `deprecated' warnings
20060504
	remove use of HEAP_ALIGN from /*/port/devprof.c; change Heap.pad to Heap.hprof in /include/interp.h
20060426
	correct text and selection colours in wm/sh for loss-of-focus and holding modes
20060423
	add /appl/lib/w3c/uris.b w3c-uris(2) /module/uris.m
20060419
	/emu/port/devcmd.c: correct wakeup state for started command
20060412
	/appl/svc/webget	include caerwyn's changes
20060411
	put `|| exit 1' after each (command-list) in the mkfiles, just for bash
20060410
	/appl/cmd/limbo/typecheck.b /limbo/typecheck.c - stop wrong warning wrt use of ref fn
20060313
	remembered to install cddb port from last year... cddb(7)
20060312
	/emu/Nt/win.c; #define windows names out of the way to remove IPoint etc
	/emu/Nt/os.c, simplify osblock/osready and eliminate erendezvous
	/emu/port/devcons.c, tug into line with /os/port, to prepare for single-window changes
	echo ^U on CAN (ctrl-U)
20060311
	replace Limbo version of shutdown by sh script; it's still a bit silly
20060309
	/*/port/inferno.c: 0 or -1 return value from dial functions
	/os/port/portmkfile: remove reference to ../kfs
	/man/8/httpd document -a; /appl/svc/httpd/httpd.b
	/libmp/port/mptouv.c sign extension fix from 9
	/module/keyring.m, /libinterp/ipint.c: add some bitwise operators
	change (undocumented) /appl/cmd/test.b so that `host' mkfiles will work in Inferno
		should probably change the mkfiles to replace it
20060303
	/emu/Plan9/win.c replace ldepthof
20060302
	add KPX11 flag to hosted kproc to boost the stack for silly x11 & co.
	put keyboard and cursor processing into a separate kproc with big stack in /emu/port/win-x11a.c
	change various os.c to match
20060301
	/appl/cmd/rioimport.b fix initialisation race
20060227
	fix /utils/ql/l.h: oprange should be [ALAST] (with extra 405xx opcodes), also AEND->ALIST elsewhere
	put faster gethunk in ql and kl (mimic other compilers)
20060226
	enable /emu/port/devpointer.c, with changes to /emu/*/win*.c to call mousetrack, /emu/port/main.c to bind #m,
		and code for pointer and cursor removed from devcons.c
	update Nt/win.c and port/win-x11a.c from drawterm to get/put host snarf buffer
	change devmem.c from #m to #% not to clash with pointer
20060225
	add /emu/port/devsnarf.c (#^) and put clipread from drawterm in /emu/Nt/win.c
20060224
	modify /appl/lib/secstore.b, /module/secstore.m, secstore(2) [add dial, auth, mkseckey, mkfilekey, remove]
	add /appl/cmd/auth/secstore.b, secstore(1)
	remove strange exception handling in /appl/cmd/dd.b
	add dhcpclient(2)
20060223
	add /appl/cmd/auth/aescbc.c
	add /appl/cmd/crypt.b [rog]
	add crypt(1)
	add /appl/lib/secstore.b /module/secstore.m secstore(2)
20060221
	/libsec/port/hmac.c: treat existing but not seeded digest correctly
	/libinterp/ipint.c, /module/keyring.m, add new operator `invert'
20060220
	add ida(2), /appl/lib/ida, /module/ida.m
20060216
	add ubfa(2), ubfa(6), /module/ubfa.m, /appl/lib/ubfa.b
20060214
	[rog] add cursor changing support to tk, wm, wmlib (eg, for acme)
20060213
	remove libcrypt_o from distribution
20060211
	add /man/1/9win [rog]
	change /appl/cmd/auth/keyfs.b to confirm key only when creating the file [rog]
	punt floating-point conversions in powerpc jit on macos for time being
		(have particular values in certain FP registers when native)
20060210
	update /libmemdraw/draw.c to include 9's changes for concurrent use
	remove canlock as assembly language interface, replaced by _tas
	replace native use of tas by _tas; make declarations all agree
	add holdon/holdoff ctl request to wm/sh
	wmproxy in appl/lib/wmlib.b does not create new pgrp
20060206
	update /appl/cmd/cp.b with digbyt's changes (mode/uid/gid correct on copied directories)
20060203
	update /appl/cmd/ip/dhcp.b /appl/cmd/lib/dhcpclient.b
	update /os/init/i4e.b to use it
	add /man/8/dhcp
20060118
	add ksize(10.1), kstrip(10.1), /utils/kstrip
	new _MAGIC definitions in utils/libmach/a.out.h
20060114
	change /os/boot/arm1110 mkfile to work on unix and windows; add to /lib/proto/os
20060111
	-s (exportonly) -x/-y (geometry) options to 9win (TODO: rog, manual page!)
	wm/sh.b: correct hold mode; remove little-used and undocumented history file
20060109
	delete #pragma from flate.h
	ensure lib9 compiles replacement sbrk for MacOSX
20060106
	update compilers
	update compilers' manual page
	fix os/port/portmkfile for Plan 9: don't use $OBJDIR but Inferno/$OBJTYPE
	have os/port/portmkfile check for i$CONF.p9 and use that not i$CONF for acid
	add srclist(10.1)
20060105
	account for new definition of rendezvous (void* not ulong)
	add dummy setmalloctag to utils where needed (for Plan 9)
	set profileflg only for ATEXT in utils/?c/txt.c
	update /os/boot/pc
20060103
	/os/ip updated from Plan 9
	/os/ip/^(bootp.c dhcp.c ihbootp.c) changed to use announce not connect for udp
20051215
	/man/6/keytext added
20051207
	/tools/odbc.c portability changes, and fix modes on several files
20051202
	/emu/Plan9/devfs.c strip Inferno root from file system diagnostics
20051130
	change /appl/svc/httpd to use lock(2) not lockprocs
20051123
	/appl/cmd/bind.b changed not to use arg.dis, implement -q, and diagnostic change
	/appl/cmd/mount.b acquired a -q option as well
20051114
	avoid limit==0 in wm/memory.b
20051108
	have poolmaxsize return 0 for pool of size 0
	remove /os/*/u.h (in favour of /$SYSTARG/$OBJTYPE/include/u.h)
	update mkfiles accordingly
	adjust mkfiles for libsec and libmp compilation for native kernels
20051107
	added /os/manga
20051101
	fixed /os/port/devloopback.c
	updated netif.c netif.h
20051028
	updated gettar(1) and /appl/cmd/gettar.b
20051025
	fix British Summer Time in locales
20051021
	updated /appl/lib/newns.b and namespace(6) for environment variable substitution
20051018
	moved in changes from home to os/port: cis.c devbridge.c ethermii.c portclock.c devuart.c devbench.c random.c portfns.h tod.c uart.h
	- mainly for changes to implement fasttick and timers
20051017
	/limbo/ecom.c and /appl/cmd/limbo/ecom.c: ensure src set in temporary Node to avoid `no file specified' in sbl.[bc]
20050925
	added format(2)
20050922
	iostats(4) added
20050919
	improve behaviour in wm/sh when in raw mode
20050916
	/appl/lib/styx.b: return value for Rmsg.unpack for Rstat didn't include len[2]
20050912
	update /appl/lib/disks.b, disks(2)
	update /appl/cmd/disk/format.b
	add /appl/cmd/disk/prep, /appl/cmd/disk/mbr.b
	replace format(8) by prep(8)
	delete undocumented /appl/cmd/disk/part.b
20050908
	added disks(2) and scsiio(2)
20050906
	os/port/devsrv.c and emu/port/devsrv.c to allow setting length by wstat (also DMAPPEND)
	appl/cmd/dossrv.b fix to interpret aname:offset
	usb updated to support current native uhci drivers
	/appl/lib/usb/usbmass.b changed to work with new driver and more devices
20050901
	new /appl/cmd/ip/sntp.b, sntp(8)
20050824
	cp(1): added -gux options
20050810
	mangaload(8): new
20050812
	/appl/cmd/limbo/nodes.b didn't always initialise n.c (eg, a != a)
20050712
	updated utils/[12][acl] to match Plan 9's
20050627
	added streamcp (renamed fcp since that's what plan 9 calls a similar thing)
20050626
	added write lock to emu/port/devip.c to stop Linux (and perhaps others) splitting socket writes by different processes
20050620
	added w3c-xpointers(2) [/module/xpointers.m; /appl/lib/w3c/xpointers.b]
20050617
	fixed qid array reference in /appl/cmd/lockfs.b [cjones83]
20050610
	updated lib/ndb/dns
	fixed count < 0 when reading beyond end of file in disk/kfs
20050526
	fixed factotum's p9any to use user= attribute in key not /dev/user
	fix /appl/lib/daytime.b's handling of dlpairs; also read /env/timezone if that's there
	update /appl/lib/w3c/css.b to read CSS2.1
	add w3c-css(2); possibly should move module file to w3c/css.m?
20050518
	added GPL/LGPL notice files
	made single mk.b from many included source files
	added MIT-template or LGPL NOTICE files to lib* directories
	updated doc/port.ms
	included libmp and libsec in lib/proto/src (Lucent Public License), not yet used
	fix bug in cmd(3) introduced by killonclose
20050425
	add sexprs(6)
	add truerand/ntruerand and nsec[defined as osnsec] to lib9.h
	redefine fmax and log2 in lib9.h
	some/all FreeBSD-5.x-y don't initialise rfork_thread's procmask from parent (contrary to docs); compensate in FreeBSD/os.c
	finally copy last year's changes to 1c from home
	call logs->init in applylog
	changed /appl/cmd/cmp.b to work correctly for differing buffer sizes, errors, etc.
	included /os/pc/sd53c8xx.[in] and added /utils/na [not compiled by default]
	mask off OEXCL in (emu/port os/port)^/sysfile.c:/^kcreate's openmode
	wm/sh.b: keep menuitem 0 if noscroll selected
	added units(1)
20050413
	licence following MIT-template replaces `free for all' instances
	"-N nice" option in os(1)
	geodesy(2) is new
	ebook(1) is newly released (Open Ebook browser)
	wm-sh(1) has a rearranged menu, with scroll/noscroll option added
	/doc/asm.ms has been updated
	section 10 has been updated
	limbo compiler will make simple functions inline if possible
	limbo compiler supports `ref fn' type
	/doc/limbo/addendum.ms [also .ps .pdf] updated to reflect `ref fn' and other changes
	keyring-ipint(2) has a few new operations (shl, shr, copy)
	DigestState has new copy operation replacing cloneDigestState
	Keyring has new functions certtoattr, pktoattr and sktoattr each returning
		a string containing attr=value ... representations of certificates and keys
	u.h has been updated for all platforms, hosted and native
		new ptrint, u8int, u16int, u64int, FPdbleword, and more accurate varargs for < 4 byte values
	lib9.h has extra encode/decode functions moved from libcrypt
	string.m has new quotec function [TODO: man page]
	crypt/ssl3.b handles a particular certificate type better
	charon has several bug fixes in javascript, notably parsing of certain expressions
	/doc/descent/* `Descent into Limbo' updated
	internally libinterp uses a different representation for parts of the linkage table
	/doc/lprof.ms [also .ps and .pdf] gives overview of Limbo profiling
	/doc/ebookimp.ms [also .ps and .pdf] discusses implementation of its XML browsing
	/doc/compiler.ms has been updated
	/doc/dis.ms  eclr has been removed
	emu(1) -b enables bounds checking in JIT
	cs(8) handles general query (!attr=val ...)
	mkfs/mkext(8) handles big archives
	emuinit tries sh -c on command if not immediately dis
	/appl/lib/string.b: rewritten unquoted for correct handling of embedded quotes
	limbo warns about unused local variables
	limbo: -F enables new implementation of function ref
	limbo: -O runs optimiser
	mount -9 uses 9fs not styx as service address
	cmd(3) adds "killonclose" and parameter to "nice"
	TODO: group check in styxserver
	styxlisten accumulates algs correctly
	os/port/mkdevc builds vgacursor table
	touch uses OEXCL
	/appl/lib/debug knows about ref fn
	ecmascript: for(... in ...) parsed correctly
	getuserpasswd added to factotum(2)
	/appl/lib/print reincorporated
	wm/clock
	ftpfs calls factotum (getuserpasswd)
	hoststdin/hoststdout/hoststderr [preliminary]
	/os/boot/pc updated, as is its shipping list
20041217
	base point