08-05-11 ppproto.c: fix proto test 10 regression

07-09-21 ppproto.c: add "Public Domain" to the noticed list

07-08-11 probe.win32: add cl.exe setuid workaround, CC.VERSION[.STRING]

07-06-12 pplex.c: finish -D:preserve logic update for imake

07-06-07 pplex.c: handle -D:preserve S_CHRB splices

07-06-04 ppsearch.c: only apply pp:chop ?old?new? if original not found

07-03-11 add -D-Y pp:pedantic, PP_WARN macro formal parenthesis checks

07-01-26 pp.def,probe.win32: add _WCHAR_T_DEFINED

06-09-23 ppop.c: check -I <dev,ino> for c and TYPE_HOSTED|TYPE_VENDOR attrs

06-09-23 pplex.c: add HOSTED check for "/* appears in // comment" -- doh

06-09-05 pp.probe: add version stamp comment

06-06-29 pp.probe: gcc pp:linefile probe (otherwise it can dump!)

06-06-28 ppproto.c: fix inappropriate __PARAM__ insertion

06-05-09 pp.tab,ppcontrol.c,ppproto.c: add externalize

ppfsm.c: handle compatibility ul numeric qualifiers

06-02-28 probe.win32: add wchar_t probe

06-01-11 pplex.c: fix rpcgen pp:passthrough header splice bug

05-12-16 pplex.c: fix imake pp:passthrough comment splice bug

05-09-16 pplib.h: add <string.h> for standalone proto

05-07-31 pplib.h: finally trust __STDC__ headers

05-04-11 pplex.c: fix '"a" #s' catliteral + stringize bug

05-03-29 pp.probe: check $? and stderr messages for pp:lineid

05-02-20 probe.win32: handle /platformsdk mount

05-01-11 ppargs.c: fix -I-S docs

ppinput.c: ppproto() only for COMPATIBILITY or PLUSPLUS

04-10-22 ppproto.c: handle `type var[x][y]' arg prototype

04-10-01 pplex.c: really fix directive hidden newline logic

04-08-31 pplex.c: fix directive hidden newline logic

ppcall.c: fix '(' peek bug that missed the MARK

04-08-30 add pragma pp:pragmaflags PP_PRAGMAFLAGS, pp:system_header

04-08-11 ppproto.c: intercept "#(define|undef) extern" for __(EX|IM)PORT__

04-07-23 probe.win32: generalize #include dir order search

04-07-22 ppsearch.c: access() => eaccess()

04-05-20 ppproto.c: don't __PROTO__ `int fun __P((int));'

04-04-15 probe.win32: sync up with uwin 2003-08-06 master -- oops

04-04-01 pp.probe: add stdinclude usrinclude path cleanup

04-02-29 ppproto.c: fix bug that skipped prototyped check during notices check

ppproto.c: recognize `Copyright nn'

04-02-14 ppproto.c: comment[0]==0 => no notice

04-02-11 Makefile: fix %.yacc to handle cross-compile

04-01-28 pp.h,pplib.h,ppop.c: add PP_RESET to restore original pp.symtab scope

03-12-12 ppcall.c: missing macro actual warned but expanded

03-11-12 ppexpr.c: fix premature #if expression token strip

03-06-21 ppproto.c: fix T_INVALID ? splice bug that did 0?val => 0?vaL

03-06-10 ppargs.c: add -D-d and -D-m

ppargs.c: add gnu options { -dD -dM -imacros -include -lang-* -lint }

03-05-19 pplex.c: fix stray SKIPMACRO bug

03-05-18 ppcall.c: add SYM_FUNCTION '(' peek to avoid inappropriate ungetchr()

03-04-30 pp:mapinclude hosted <std.h>="." will search only hosted dirs

pp.probe: add pp:mapinclude probe for namespace incursions

03-04-29 ignore()=>ppmapinclude(), add pp:mapinclude

03-03-25 ppop.c: PP_RESERVED now deletes old symbol before redef with lex value

03-03-14 pp.probe: fix the #include_next probe

03-02-28 ppsearch.c: fix -MM bug that missed prefix include hosted mark

03-02-18 pplex.c: handle COMPATIBILITY \" and \' in macro actuals

03-01-23 probe.win32: mingw32 tweaks

02-12-17 ppargs.c: document -I-!

02-12-06 -I- pp:noprefix otherwise pp:prefix default

02-11-29 probe.win32: added __INTSIZE, drop dm pp:noallmultiple

02-11-26 pp.def: add STDC_HOSTED

probe.win32: add C95 and C99 STDC predefined macros

02-10-30 ppfsm.h: add boundary check to IDSTATE()

02-10-18 probe.win32: update for mingw

02-10-15 ppsearch.c: if PLUSPLUS && not found && no suffix then try with .h

02-10-10 pplex.c: fix does not end with `newline' bugs

02-10-01 ppop.c,ppargs.c: -I-I => -I-M with proper docs; -I-I for PP_IGNORE

02-09-21 pp.probe: add pp:nocatliteral test

02-09-10 pp.tab: add pp:passthrough to match -D-P docs

02-08-30 probe.win32: fix for borland cc -E

02-08-22 ppexpr.c: add __SOURCE__ and #match(string,pattern)

02-06-25 ppproto.c: fix pragma search bug that stopped after 8 comment lines

02-06-11 ppsearch.c: fix ... next include search to skip *all* intermediates

02-05-28 probe.win32: updates for { mingw }

ppsearch.c: don't use inherited prefix for <...> -- duh

02-05-24 ppcontrol.c: simplify getline() space canonicalization

probe.win32: updates for { digital-mars borland lcc }

02-05-20 ppcontrol.c: update to use regsubcomp(),regsubexec()

02-05-09 ppcontrol.c: inhibit `EOF in directive': newline warning will catch it

pplex.c: inhibit `newline in character constant' for hosted directives

02-05-06 probe.win32: add more win32 compilers

02-04-15 probe.win32: handle long long unsigned int

02-04-12 ppproto.c: fix NOTICED check

02-03-15 ppproto.c: fix cpp pp:compatibility double line sync memory fault

02-03-11 pplex.c: add pp:modern to emit \a \v instead of octal forms

02-02-14 ppargs.c: fix -D or -U as last arg core dump

02-01-24 pplib.h: use vmalloc(Vmregion) if _std_malloc

02-01-23 probe.win32: add more msvc predefined macro candidates

02-01-14 ppproto.c: #pragma prototyped noticed -- has notice comment

02-01-10 ppproto.c: fix PROTO_FORCE|PROTO_PASS bug that disabled PROTO_FORCE

02-01-08 pplex.c: fix HEADEREXPAND|HEADEREXPANDALL logic

01-11-22 pplex.c: add pp:headerexpandall for gcc vs. msvc <...> expand diff

pp.probe: add pp:headerexpandall test

01-10-20 pplex.c: fix pp:splicespace inside "..."

01-09-11 ppinput.c: use pathnative() for native fs representation

01-08-31 pp.probe: handle -Dmacro(args)=value

01-08-11 ppcontrol: fix ... and __VAR_ARGS__ for C99

ppsearch: fix SEARCH_NEXT bug that skipped the include stack

01-08-06 ppproto: preserve #! first line for # comments

01-07-17 gentab.sh: fix ksh test to omit pdksh (typeset -u fails)

01-06-26 ppproto.c: fix another buffer boundary bug that didn't preserve OTHER

01-06-06 ppsearch.c: list PP_FILEDEPS headers once

01-06-01 pp.h,ppop.c,ppsearch.c: allow multiple PP_FILEDEPS (-M)

01-05-24 pp.probe: fix pp:hostedtransition probe: only suncc can __STDC__==1?

01-04-25 pp.probe: split macro probe files for compilers that have #line limits

01-04-19 pp.h,pplex.c,ppproto.c: fix { \a \E \v } EBCDIC translations

01-04-16 pp.tab: add pp:splicespace for mvs jcl decks -- the 60's live on

01-04-13 ppbuiltin: add __FUNCTION__ cache for functions that span the buffer

01-03-08 pp.tab,ppbuiltin,ppcontrol,probe: add pp:hostedtransition

01-02-22 pp.tab,ppfsm,pplex,pp.probe,probe.win32: add pp:zeof for ^Z => EOF

01-02-14 ppcall.c: fix macro(tuple*) bug that truncated macro arg expand buffer

pplex.c: fix # inside pp:pragmaexpand

gentab.sh: change ksh test for openbsd /bin/sh

ppproto.c: fix buffer boundary bug that lost call nesting

ppproto.c: add realloc prototype and memcpy=>memcopy strcpy=>strcopy

01-02-09 ppsearch.c: fix another pp.include null dereference

01-02-07 ppcall.c: fix stack inequality checks

ppcall.c: handle trailing \ in macro args

01-02-06 fix readonly buffer write (cpp test 07:2873)

01-02-04 fix -M* to properly handle .cxx .cpp .C input

fix IN_BUFFER pop bug that did not reset the token pointer

01-01-01 pp:headerexpand: space ok if not IN_MACRO

ppcall: hide if IN_FILE|IN_MACRO|IN_EXPAND

pplex: don't complain about ^L or ^Z as last char in file

ppsearch: fix #include <.../foo.h> loop

ppcontrol: manulally increment IN_RESCAN error_info.line

00-12-25 add EXPOSE to expose hidden macros (for #import ...)

probe.win32: add cc path *and* args to first line to avoid hash clash

pp.probe: filter out invalid symbols for predefined macro scan, duh

pp:headerexpand: limit expansion to IN_MACRO

00-10-31 __STDC__==0 if HOSTED && _UWIN

00-10-26 pplib.h: change SEEK_SET to O_RDONLY for aix

00-10-17 pp.probe: __IMPORT__ => __STDPP__IMPORT__

00-09-18 add __FUNCTION__=#(FUNCTION), #define <a b> c

pp.probe: add probe_longlong

probe.win32: add #define <long long>

00-09-11 add pp:noproto (NOPROTO pp.option) to disable ppproto()

00-09-01 ppproto: fix buffer slide bug

00-08-11 pplb.h: check for <unistd.h> already included for PROTOMAIN

pragma: add pp:pragmaexpand to expand pragma args

ppcontrol: always disable pp:* pragma expansion

ppcall: fix pp:hide buffer clash

00-06-01 pplex: fix "\\U" and "\\u"

00-05-22 ppsearch: fix uwin #include <C:/foo/bar.h>

00-05-16 probe.win32: update reserved word list

00-05-09 ppcontrol: fix C++ macro >+> invalid fuse

ppcontrol: 'macro' expansion only for COMPATIBILITY | TRANSITION

c9x: up to date with proposed standard

00-04-01 pp.tab: add allpossible and ALLPOSSIBLE

ppmacref: fix ref inside literal catenation

00-02-14 pppopen(): general comments with "bme" (begin middle end) string

00-01-11 pp.probe: hosttype now in C.probe

99-11-19 is[a-z]*( => ppis[a-z]*(

ppproto: "..." [A-Z_]+ "..." ignores [A-Z_]+ if PROTOMAIN

99-11-11 ppproto: use astlicense()

99-10-31 ppproto: add PROTO_SHARP, update license parse

pplex: fix some MARK bugs seen by #define X "A B <C@D>"

99-10-01 add pp:stringsplit for "...\\n..." => "..."\n"..."

add pp:lineid to match PP_LINEID

99-07-17 ppbuiltin: fix getline() canon spacing for numbers

ppsearch: fix FILEDEPS not found \\n print

pplex: fix spurious FILEDEPS '.' empty character constant message

ppargs: fix usage error call and error_info.id default value

ppproto: fix up copyright notice for ksh93 style .author file

ppproto: check if notice text if file path

99-06-02 ppproto: add __MANGLE_package_DATA__ & __MANGLE_package_FUNC__

99-05-26 ppcontrol: all pragmas but prototyped need pp:

99-05-25 ppargs: long options

99-05-22 ppproto: changes for full ast vs. PROTO_STANDALONE

99-05-09 ppinput: add #pragma pp:native and (pp.option&NATIVE) for native paths

99-04-22 ppproto: finish type=open notice

99-02-11 #define __STDC__ #(STDC); demote __STDC__ to 0 for HOSTED (thanks sun)

99-02-04 pplex: joined strings separated by \\\n

99-01-11 probe.win32: add _UWIN predef

98-10-20 pplex: a few more (HOSTED|RELAX) checks

-D:preserve throws a bunch of stuff -- great for imake (yuk)

98-05-11 pplex: fix "..." \n off by one line count

98-02-14 ppcontrol: fix HEADEREXPAND missing NUL

98-01-23 ppproto: add _GNUC_ to _WIN32 check

ppfsm: don't optimize for hp.pa

97-11-11 ppcontrol: fix recursive use of pp.hdrbuf for HEADEREXPAND

97-10-31 ppmacref,pp.h: add ppmacref sum arg -- some parts assumed it!

97-10-01 pplex: loosen HEADEREXPAND check

97-08-11 pplex: fix COMPILE pplex() bug that did not reset NEWLINE for S_MACRO

pplex: PP_PRESERVE does not pp.pragma <token> ... # <pragma-stuff>

pp.def: add UWIN

ppcall: fix macro actual arg error checks

97-07-17 ppproto.c: C++ __INLINE__ prefixed with extern __MANGLE__

ppop.c: fix PP_RESERVED T_* lookup

97-05-09 pp.def: add MVS :architecture:

ppfsm.c: change C_* pseudo codes to not clash with ebcdic

pp.probe: fix stdc.$src sed script

97-04-01 ppcontrol.c: fix tokop() for PP_RESERVED

96-12-25 add ms #@ charize to complement # stringize

pp.probe now detects preincludes

ppproto: allow #ifdef'd function definions before {

ppproto: NoN() is not a function

pp.key,ppkey.h: add int64

ppargs.c: fix -M{DGM}*

96-12-06 add pp:headerexpand for ms that expands macros in expanded <...>

96-10-31 a few more line sync tweaks for EDG C++

96-10-11 fix pp:macref off by one for standalone pp (big suprise)

96-10-01 -D:macref -D-L -> #line (n-2)\n#pragma pp:macref ...

96-08-11 fix transition macro expansion

compatibility \" or \' does not start quote

96-02-29 use <hashkey.h>

drop ungetchr() in ppcall that modified macro values

tighten the DEBUG PANIC case in ppcontrol.c

unify #architecture() and #machine() probe

add POSIX,WIN32,X86 to pp.sym

tweak pp.probe

96-02-14 pp:noallmultiple works on hosted files too

fix #define /* EOF loop

96-01-31 fix ## as arg to stringize macro to have ## value, not #

add nonstopux and SYSTYPE_SVR4 to pp.def

96-01-01 AT&T Research now

fix catliteral line sync line number bug

ppproto() converts non-directive <num>u to (unsigned)<num>

switch to <regex.h>

95-10-31 fix PP_COMPILE PP_TRANSITION bug that didn't allow space before #

fix PP_TRANSITION \newline in definition complaint

95-10-11 fix ppproto() PROTO_PLUSPLUS bug

change ignored pp.incref PP_SYNC_POP to PP_SYNC_IGNORE

add PP_PEDANTIC to handle gnu oversights (can't beat em ...)

add memfatal() call

relax newline in quote semantics

proto inline -> __INLINE__

fix __INLINE__ proto def for __GCC__>=2

95-08-11 pp:preserve for easel (aka IFS) and imake

fix pp:reguard ## macro output

fix MARK PANIC with CATLITERAL

PP_INPUT *.(s|S|as|AS|asm|ASM) implies pp:nocatliteral pp:spaceout

ppargs() can't use isid() until after FSM_INIT

-D#... for assert, -D%... for directives

__STRICT_ANSI__ && __GNUC__ requires -pedantic for PP_STRICT

#include <.../x> for include_next

95-05-09 fix tokop() bug that concatenated adjacent strings

don't concatenate directive string literals in proto

split pp.mode into pp.mode and pp.option

restrict pp.probe hostinfo output to the first token

fix EOB/EOF pplex() nonterminating loop

unused var cleanup

add pp:reguard to emit #define and #undef (for C++ templates)

add a few ppproto '\r's for NT

fix T_BUILTIN ppsymbol -> ppsymkey pun

fix pp:stringspan `#define x "' hang

95-04-01 fix pp:hide for macros defined before the hide

fix pp:map getline space canonicalization

fix proto `<digits>[uU]'

proto does // comments by default (fixes bug introduced 07/17/94)

proto does "..." "..." string literal concatenation

spice up proto copyright comments for nonexclusive license

add hosttype assertion

fix proto `typedef type fun(args)'

proto copyright finishing touches

fix overzealous "empty character constant" message

95-02-14 pp:nopredefined probe info defines are now pp:builtin

clean up pp:hosted conflicts

tighten up unknown directive warning

PP_INPUT *.(s|as|AS|asm|ASM) implies pp:nocatliteral pp:spaceout

change newof(0,char,n,0) to newof(0,char,0,n) if 0 init not needed

don't emit unkown directives inside #if 0 ... #endif

95-01-19 *strict-* does not force STRICT

token##null-last-variadic-arg consumes token (to match gcc)

variadic actuals call be one less than arity (to match gcc)

fix PLUSPLUS digraph bug that lost comment state

tighten up PLUSPLUS //, /*, */ interaction warnings

macro formals in "..." for COMPATIBILITY|TRANSITION

macro formals in '...' for COMPATIBILITY|TRANSITION|!STRICT

STRINGSPAN allows '\n' in '... too

add PP_SYNC_* flags for pp.incref arg 3

add PP_SYNC_INSERT for invented file references

fix C++ fsm bug that popped out of comment in // /* */ ...

PP_INPUT *.(s|S|asm|ASM) implies pp:nocatliteral pp:spaceout

95-01-01 avoid string literal concatenation in pp.probe #if #predicate() tests

fix pplib.h memcpy,strncmp PROTOMAIN prototypes (its a nop tho)

94-11-11 fix readonly memory reference in refill

add C++ digraphs (digraph = --trigraph)

add C++ T_EXPLICIT -- did dos take over C++?

fix improper ppproto() C++ __PARAM__ expansion

94-11-01 allow #include string header arg concatenation (yes, its not ansi)

#macdef macros are recursive

94-10-01 fix C++ } loop in ppfsm/refill

T_NOISES consumes symbol and optional paren group

__builtin_* T_NOISES by default

fix "..." "...MARK..." join

fix STANDALONE */*comment*/

94-09-11 fix pp.probe cp+strip with chmod u+w

94-08-11 add -I<vdb-archive> to handle pax -x ppar header archives

fix -D-Q header checkpoints

add `pp:chop prefix' to chop prefix/ from include prefix/*/*

add pp:keyargs for key=value macro formals/actuals (not for C!)

94-06-01 fix ppcontrol/tokop() that botched pp:id, etc.

add pp:plussplice to handle cfront // \<newline> ignorance

inhibit trigraph conversion for pp:compatibility, duh

new C++ keywords enabled by pp:keyword

proto: int fun xxx((yyy)) is macro call, not decl

fix !ALLMULTIPLE pp:load to SKIP between duplicated line syncs

fix PP_DUMP for pp:noallmultiple, optimize pp:load format

fix CPP CACHEOUTX() buffer boundary bug

94-04-01 drop warnings for -X*

fix ppproto() %% in comment bug for yacc proto

PP_COMMENT now truncates comments to MAXTOKEN-4

94-03-01 no pp:truncate for #pragma pp:macref

94-01-01 fix STANDALONE+PP_TRUNCATE fsm macro bug

drop __VOID__ from ppproto.c

93-12-01 release

93-11-11 fix PP_COMPILE+PP_TRUNCATE=8 bug for continue,unsigned,etc.

add PP_LINEBASE for compilers that botch long line sync paths

fix #if unsigned promotions

aggressive interactive line splice flush

fix #else inside multiline null dereference

fix "..." newline space # COMPATIBILITY CATLITERAL bug

fix m(a)b compatibility token pasting [cpp/test/ess.01.c]

fix nested @X mark bug [cpp/test/net.02.c]

93-10-11 add FSM_COMPATIBILITY for floating point hex -- yo ansi, anybody home

add #else if|ifdef|ifndef for COMPATIBILITY but with warning

drop PP_HOSTED, add ppop(PP_CDIR|PP_HOSTED,"-",n), -D-I for pp:cdir

93-10-01 add pp:opspace to tokenize <binop><space>= to <binop>=

93-08-11 drop ancient BCD constant (`...`) detection -- wake up cfront

fix PP_TRUNCATE macro fsm bug that missed some expansions

fix stringize bug that choked if space preceded #

fix <function-like-macro> <identifier> bug that omitted space

93-07-17 minor transition mode fix for string concatenation

fix standalone macdef line sync buffer bug

pp:noline turns off linesync, pp:line restores it

93-06-22 add pp:prefix to control prefix include compatibility

93-04-01 use probe_verbose in predefined symbol probe

93-03-11 close fd after last file block read -- relaxes open fd limit

remove pp.control nesting limit

add `#rename old new'

__STDC__ not defined for plusplus (until they figure it out)

93-01-22 fix ansi macro args recursion bug

93-01-11 fix '\377'<0 for signed char compilers

add RELAX for __STDPP__directive directives

92-12-25 fix #include guard test that omitted IN_tokens for CPP=1

92-12-11 fix pp:truncate for STANDALONE and COMPILE

fix pp:allmultiple again!

92-11-30 add pp:final, pp:initial

add __STDPP__directive and #(directive) as ??= alternative

relax obsolete macro expand warning for _xxx||xxx

retain quoted \newline when PP_LINEID != ""

fix CATLITERAL hidden newline line sync

92-11-11 fix COMPATIBILITY EOF in macro arg list and # in macro body

fix [?\] on 4K buffer boundary bug that lost next refill()

fix ppproto bug that botched -ih comments

92-10-31 fix standalone -C bug that duplicated output buffer

add pp:stringspan to handle gnu "<newline>" extension

92-10-12 fix T_X_GROUP asm bug

allow `#define a "b' pp:compatibility hack

92-08-11 add PP_PLUSCOMMENT, pp:pluscomment probe

add #(default v,d) #(empty v) #(iterate m,...)

compatibility allows #define f(a,,b) for 2 args!

probe now handles gcc -E -g3 to get gnu predefines

92-07-17 fix pp:multiple again, fix ppproto() out of bounds

PP_STANDARD is always PP_CDIR and PP_HOSTED

92-07-11 add #import and #include_next probes

92-06-11 fix bug where comments dissappeared after disabled macro in standalone

COMPATIBILITY macro recursion bug fix may cause some to be missed

PP_MACREF or -D-L- ignores #line until #line with file arg

92-06-01 add pp:ignore

fix probe of stdpp to handle -I[-+][CH]

92-05-11 add pp:hide <id>, pp:note <id>, noticed(<id>), exists(<...>)

add defined(__STDPP__<pragma>) feature test

add PP_CDIR, pp:cdir for C++ extern "C" { ... } include wrapping

pp.probe now handles predefines with values other than 1

92-04-11 add inverse proto (K&R -> prototype) to ppproto

92-04-01 release

92-02-29 #include <...> inside <xxx.h> gets next xxx.h on -I list

non-libpp generated symbols containing ' ' are not truncated

92-02-11 conversion to new lexer brings time close to reiser (esp. w/gcc -O)

combine standalone (ppcpp) tokenizing (pplex) and proto lex tables

recode ppproto for standalone operation via PROTOMAIN

add PP_NOHASH for PP_COMPILE front ends that rehash T_ID anyway

delete PP_NOQUOTE

delete #option(strict) test in probe in favor of non-hosted warnings

add unsigned to ppexpr()

91-10-11 add pp:truncate <len> for non-flexname compilers

91-09-11 fix ppproto aggression on f(*y); -> f __PROTO__((*y));

91-08-11 switch seterror() to error_info.*

add pp:linefile to force file name in line sync

add pp:spaceout for probed compilers that don't allow pp override

91-06-11 fix ignored -I/usr/include bug

91-04-11 set SYM_INIT in pp.macref for -U on cmd line

91-01-31 replace pp:pragma and pp:directive with pp:map

replace #assert and #unassert with #define #... and #undef #...

#assert and #unassert compatibility retained via pp:map

replace -D#directive with -D%directive (because of #assert change)

add pp:splicecat for \<newline> #define token paste

fix \<newline> bug that added space in COMPATIBILITY quoted strings

90-12-11 fix #pragma pp:multiple

90-11-11 generalize handling of non-standard keywords for COMPILE

replace pp:identifier/PP_IDENTIFIER with pp:reserved/PP_RESERVED

pp*keys* -> ppkey

add PP_NOISE

(gag) handle msdos paths by changing \ to / and retrying on failure

(gag) handle msdos :> operator by pplex() '+' return

add #pragma prototyped and ppproto.c for prototype conversion

add unsigned long arg to PP_MACREF for hashed macro arity+value

90-10-11 0f is not a float constant

change -I-M to -I-I, file just lists include files to be ignored

fix ppprobe for __STDC__==0 hybrids

add pp.flags and PP_[a-z0-9]+ for exported state info

90-10-01 fix standalone ppmacref for directives

add `try' to C++ keywords

fine tune a few COMPILE error messages

privatize pp.h

90-08-11 use opt_again in cmdargs() option parsers

(gag) add pp:macref macro reference pragma to handle CC preprocessors

(gag) add pp:spaceout to handle ansi + asm hacks

90-07-17 remove spaces from macdef line sync (blew sun cc)

90-06-11 add internal ppsymkey to avoid ppsymbol.value pun for SYM_KEYWORD

90-05-01 fix catliteral bug of `"..." << ' -> `"..." <='

90-04-01 fix `ifndef-define-endif' include wrapper test

90-03-27 add setpreroot() to ppop() [ sleazy but well hidden ]

90-03-22 pp.macref called for all undef's

90-03-20 add <prefix>cpp checks to ppprobe

add pp:hostdir before pp:include in ppprobe

fix PP_HOSTDIR op with no dir arg

90-03-15 System V CCS compatibility update

add PP_ASSERT

add -A for PP_ASSERT and -YI,dir for PP_STANDARD

add ppincref.c and -H to use it

-Xa defines __STDC__ to 0 (gak)

90-03-09 duplicate macro formals cause level 2 error

90-03-01 add #(ARGC) for (variadic) macro arg count

90-02-11 fix line sync number bug in pppush()

89-12-01 ignore leading = in pragma map for old pragma compatibility

check for NEWLINE on first macdef line sync

89-11-11 add -1 arg to pp.incref -- include skipped

STRICT 0x7e-macro is T_INVALID per standard

89-10-31 put all C keys in ppckeys.c, C++ keys in pppkeys.c

add pp:identifier pragma to selectively undo PP_COMPILE keywords

add tokop() to ppcontrol to support multi-valued pragmas

add #ifndef...#endif include optimization for STRICT

89-10-27 use REF_NORMAL, REF_IF, REF_UNDEF for pp.macref arg2

89-10-17 fix c(x)y compatibility pasting bug

#line 1 "f" now marks "f" included

89-10-11 enable -I. during initialization

89-10-01 inhibit pp:linetype syncs for top level #line directives

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