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revision 916, Fri Aug 24 21:13:58 2001 UTC revision 1047, Tue Jan 29 21:31:50 2002 UTC
# Line 8  Line 8 
8  The form of an entry should be:  The form of an entry should be:
9    
10  Name:  Name:
11  Date:  Date: yyyy/mm/dd
12  Tag: <post-commit CVS tag>  Tag: <post-commit CVS tag>
13  Description:  Description:
14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16  Name: Matthias Blume  Name: Matthias Blume
17    Date: 2002/01/29
18    Tag: blume-20020129-INSTALL
19    Description:
20    
21    - Added somewhat detailed installation instructions (file INSTALL).
22    - Fixed curl-detection bug in config/install.sh.
23    - It is now possible to select the URL getter using the URLGETTER
24      environment variable:
25    
26          not set / "unknown"      --> automatic detection (script tries wget,
27                                       curl, and lynx)
28          "wget" / "curl" / "lynx" --> use the specified program (script "knows"
29                                       how to properly invoke them)
30          other                    --> use $URLGETTER directly, it must take
31                                       precisely two command-line arguments
32                                       (source URL and destination file name)
33    
34    ----------------------------------------------------------------------
35    Name: Matthias Blume
36    Date: 2002/01/28
37    Tag: blume-20020128-sparc-ccalls
38    Description:
39    
40    - Fixed problem with calculation of "used" registers in sparc-c-calls.
41    - Make use of the allocParam argument in sparc-c-calls.
42    
43    ----------------------------------------------------------------------
44    Name: Matthias Blume
45    Date: 2002/01/28
46    Tag: blume-20020128-allocParam
47    Description:
48    
49    John Reppy:  Changes c-calls API to accept client-callback for
50    allocating extra stack space.
51    me: Corresponding changes to mlriscGen (using a dummy argument that
52        does not change the current behavior).
53    
54    ----------------------------------------------------------------------
55    Name: Matthias Blume
56    Date: 2002/01/28 12:00:00
57    Tag: Release_110_38
58    Description:
59    
60    This time for real!!!
61    
62    ----------------------------------------------------------------------
63    Name: Matthias Blume
64    Date: 2002/01/28 10:56:00 EST
65    Tag: blume-20020128-retraction
66    Description:
67    
68    0. Retracted earlier 110.38.  (The Release_110_38 tag has been replaced
69       with blume-Release_110_38-retracted.)
70    
71    1. Fixed a problem with incorrect rounding modes in real64.sml.
72       (Thanks to Andrew Mccreight <andrew.mccreight@yale.edu>.)
73    
74    2. A bug in ml-nlffigen related to the handling of unnamed structs, unions,
75       and enums fixed.  The naming of corresponding ML identifiers should
76       now be consistent again.
77    
78    ----------------------------------------------------------------------
79    Name: Allen Leung
80    Date: 2002/01/27
81    Tag: leunga-20020127-nowhere
82    Description:
83    
84       Added a target called nowhere in the configuration scripts.
85       Enabling this will build the MLRISC 'nowhere' tool (for translating
86       programs with where-clauses into legal SML code) during installation.
87    
88    ----------------------------------------------------------------------
89    Name: Matthias Blume
90    Date: 2002/01/25 21:27:00 EST
91    Tag: blume-Release_110_38-retracted
92    Description:
93    
94    Call it a (working) release!  Version is 110.38. Bootfiles are ready.
95    
96    README will be added later.
97    
98    !!! NOTE:  Re-tagged as blume-Release_110_38-retracted. Original tag
99    (Release_110_38) removed.  Reason: Last-minute bug fixes.
100    
101    ----------------------------------------------------------------------
102    Name: Matthias Blume
103    Date: 2002/01/25
104    Tag: blume-20020125-ffi
105    Description:
106    
107    A large number of tweaks and improvements to ml-nlffi-lib and
108    ml-nlffigen:
109    
110       - ML represenation types have been streamlined
111       - getter and setter functions work with concrete values, not abstract
112         ones where possible
113       - ml-nlffigen command line more flexible (see README file there)
114       - some bugs have been fixed (hopefully)
115    
116    ----------------------------------------------------------------------
117    Name: Lal George
118    Date: 2002/01/24
119    Tag: george-20020124-risc-ra-interface
120    Description:
121    
122       There is a dramatic simplification in the interface to the
123       register allocator for RISC architectures as a result of making
124       parallel copy instructions explicit.
125    
126    ----------------------------------------------------------------------
127    Name: Matthias Blume
128    Date: 2002/01/22
129    Tag: blume-20020122-x86-ccalls
130    Description:
131    
132    Bug fix for c-calls on x86 (having to do with how char- and
133    short-arguments are being handled).
134    
135    ----------------------------------------------------------------------
136    Name: Matthias Blume
137    Date: 2002/01/21
138    Tag: blume-20020121-ff
139    Description:
140    
141    Another day of fiddling with the FFI...
142    
143    1. Bug fix/workaround:  CKIT does not complain about negative array
144       dimensions, so ml-nlffigen has to guard itself against this possibility.
145       (Otherwise a negative dimension would send it into an infinite loop.)
146    
147    2. Some of the abstract types (light objects, light pointers, most "base"
148       types) in structure C are now eqtypes.
149    
150    3. Added constructors and test functions for NULL function pointers.
151    
152    ----------------------------------------------------------------------
153    Name: Matthias Blume
154    Date: 2002/01/18
155    Tag: blume-20020118-ready-for-new-release
156    Description:
157    
158    Made config/srcarchiveurl point to a new place.  (Will provide boot
159    files shortly.)
160    
161    Maybe we christen this to be 110.38?
162    
163    ----------------------------------------------------------------------
164    Name: Matthias Blume
165    Date: 2002/01/18
166    Tag: blume-20020118-more-ffifiddle
167    Description:
168    
169    Today's FFI fiddling:
170    
171      - Provided a structure CGetSet with "convenient" versions of C.Get.* and
172        C.Set.* that use concrete (MLRep.*) arguments and results instead
173        of abstract ones.
174    
175      - Provided word-style bit operations etc. for "int" representation
176        types in MLRep.S<Foo>Bitops where <Foo> ranges over Char, Int, Short,
177        and Long.
178    
179    ----------------------------------------------------------------------
180    Name: Matthias Blume
181    Date: 2002/01/18
182    Tag: blume-20020118-use-x86-fp
183    Description:
184    
185    Now that x86-fast-fp seems to be working, I turned it back on again
186    by default.  (Seems to work fine now, even with the FFI.)
187    
188    Other than that, I added some documentation about the FFI to
189    src/ml-nlffigen/README and updated the FFI test examples in
190    src/ml-nlffi-lib/Tests/*.
191    
192    ----------------------------------------------------------------------
193    Name: Allen Leung
194    Date: 2002/01/17
195    Tag: leunga-20020117-x86-fast-fp-call
196    Description:
197    
198       1. Fixed a problem with handling return fp values when x86's fast fp
199          mode is turned on.
200    
201       2. Minor pretty printing fix for cellset.  Print %st(0) as %st(0) instead
202          of %f32.
203    
204       3. Added a constructor INT32lit to the ast of MLRISC tools.
205    
206    ----------------------------------------------------------------------
207    Name: Matthias Blume
208    Date: 2002/01/16
209    Tag: blume-20020116-ffifiddle
210    Description:
211    
212    More fiddling with the FFI interface:
213    
214     - Make constness 'c instead of rw wherever possible.  This eliminates
215       the need for certain explicit coercions.  (However, due to ML's
216       value polymorphism, there will still be many cases where explicit
217       coercions are necessary.  Phantom types are not the whole answer
218       to modeling a subtyping relationship in ML.)
219    
220     - ro/rw coersions for pointers added.  (Avoids the detour through */&.)
221    
222     - "printf" test example added to src/ml-nlffi-lib/Tests.  (Demonstrates
223       clumsy workaround for varargs problem.)
224    
225    ----------------------------------------------------------------------
226    Name: Lal George
227    Date: 2002/01/15
228    Tag: <none>
229    Description:
230    
231    1. Since COPY instructions are no longer native to the architecture,
232       a generic functor can be used to implement the expandCopies function.
233    
234    2. Allowed EXPORT and IMPORT pseudo-op declarations to appear inside a
235       TEXT segment.
236    
237    ----------------------------------------------------------------------
238    Name: Matthias Blume
239    Date: 2002/01/15
240    Tag: blume-20020115-ffiupdates
241    Description:
242    
243    1. Fix for bug resulting in single-precision float values being returned
244       incorrectly from FFI calls.
245    
246    2. Small modifications to C FFI API:
247    
248        - memory-allocation routines return straight objects (no options)
249          and raise an exception in out-of-memory situations
250        - unsafe extensions to cast between function pointers and pointers
251          from/to ints
252        - added structure C_Debug as an alternative to structure C where
253          pointer-dereferencing (|*| and |*!) always check for null-pointers
254        - added open_lib' to DynLinkage;  open_lib' works like open_lib
255          but also takes a (possibly empty) list of existing library handles
256          that the current library depends on
257    
258    ----------------------------------------------------------------------
259    Name: Matthias Blume
260    Date: 2002/01/10
261    Tag: blume-20020110-newffigen
262    Description:
263    
264    1. Updates to portable graph code.
265    
266    2. Major update to ml-nlffigen and ml-nlffi-lib.  Things are much
267       more scalable now so that even huge interfaces such as the one
268       for GTK compile in finite time and space. :-)
269       See src/ml-nlffigen/README for details on what's new.
270    
271    ----------------------------------------------------------------------
272    Name: Lal George
273    Date: 2001/01/09 14:31:35 EST 2002
274    Tag: george-20011206-rm-native-copy
275    Description:
276    
277            Removed the native COPY and FCOPY instructions
278            from all the architectures and replaced it with the
279            explicit COPY instruction from the previous commit.
280    
281            It is now possible to simplify many of the optimizations
282            modules that manipulate copies. This has not been
283            done in this change.
284    
285    ----------------------------------------------------------------------
286    Name: Lal George
287    Date: 2001/12/06 16:50:13 EST 2001
288    Tag: george-20011206-mlrisc-instruction
289    Description:
290    
291    Changed the representation of instructions from being fully abstract
292    to being partially concrete. That is to say:
293    
294      from
295            type instruction
296    
297      to
298            type instr                              (* machine instruction *)
299    
300            datatype instruction =
301                LIVE of {regs: C.cellset, spilled: C.cellset}
302              | KILL of {regs: C.cellset, spilled: C.cellset}
303              | COPYXXX of {k: CB.cellkind, dst: CB.cell list, src: CB.cell list}
304              | ANNOTATION of {i: instruction, a: Annotations.annotation}
305              | INSTR of instr
306    
307    This makes the handling of certain special instructions that appear on
308    all architectures easier and uniform.
309    
310    LIVE and KILL say that a list of registers are live or killed at the
311    program point where they appear. No spill code is generated when an
312    element of the 'regs' field is spilled, but the register is moved to
313    the 'spilled' (which is present, more for debugging than anything else).
314    
315    LIVE replaces the (now deprecated) DEFFREG instruction on the alpha.
316    We used to generate:
317    
318            DEFFREG f1
319            f1 := f2 + f3
320            trapb
321    
322    but now generate:
323    
324            f1 := f2 + f3
325            trapb
326            LIVE {regs=[f1,f2,f3], spilled=[]}
327    
328    Furthermore, the DEFFREG (hack) required that all floating point instruction
329    use all registers mentioned in the instruction. Therefore f1 := f2 + f3,
330    defines f1 and uses [f1,f2,f3]! This hack is no longer required resulting
331    in a cleaner alpha implementation. (Hopefully, intel will not get rid of
332    this architecture).
333    
334    COPYXXX is intended to replace the parallel COPY and FCOPY  available on
335    all the architectures. This will result in further simplification of the
336    register allocator that must be aware of them for coalescing purposes, and
337    will also simplify certain aspects of the machine description that provides
338    callbacks related to parallel copies.
339    
340    ANNOTATION should be obvious, and now INSTR represents the honest to God
341    machine instruction set!
342    
343    The <arch>/instructions/<arch>Instr.sml files define certain utility
344    functions for making porting easier -- essentially converting upper case
345    to lower case. All machine instructions (of type instr) are in upper case,
346    and the lower case form generates an MLRISC instruction. For example on
347    the alpha we have:
348    
349      datatype instr =
350         LDA of {r:cell, b:cell, d:operand}
351       | ...
352    
353      val lda : {r:cell, b:cell, d:operand} -> instruction
354        ...
355    
356    where lda is just (INSTR o LDA), etc.
357    
358    ----------------------------------------------------------------------
359    Name: Matthias Blume
360    Date: 2001/11/22 21:40:00 EST
361    Tag: Release_110_37
362    Description:
363    
364    Release 110.37.  This time for real.
365    
366    ----------------------------------------------------------------------
367    Name: Matthias Blume
368    Date: 2001/11/21 16:35:00 EST
369    Tag: blume-20011121-foot-in-mouth
370    Description:
371    
372    Removed the "Release_110_37" tag because of a serious bug.
373    This will be re-tagged once the bug is fixed.
374    
375    ----------------------------------------------------------------------
376    Name: Matthias Blume
377    Date: 2001/11/21 16:14:00 EST
378    Tag: blume-20011121-forgottenfile
379    Description:
380    
381    Forgot to add a file.  (Just a .tex-file -- part of
382    the CM manual source.)
383    
384    ----------------------------------------------------------------------
385    Name: Matthias Blume
386    Date: 2001/11/21 16:10:00 EST
387    Tag: blume-20011121-invalid_110_37
388    Description:
389    
390    Note: I removed the original tag "Release_110_37" from this commit
391          because we found a serious bug in all non-x86 backends.
392          - Matthias
393    
394    1. Modifications to the SML/NJ code generator and to the runtime system
395       so that code object name strings are directly inserted into code
396       objects at code generation time.  The only business the runtime system
397       has with this is now to read the name strings on occasions.
398       (The encoding of the name string has also changed somewhat.)
399    
400    2. CM now implements a simple "set calculus" for specifying export lists.
401       In particular, it is now possible to refer to the export lists of
402       other libraries/groups/sources and form unions as well as differences.
403       See the latest CM manual for details.
404    
405    3. An separate notion of "proxy" libraries has again be eliminated from
406       CM's model.  (Proxy libraries are now simply a special case of using
407       the export list calculus.)
408    
409    4. Some of the existing libraries now take advantage of the new set
410       calculus.
411       (Notice that not all libraries have been converted because some
412       of the existing .cm-files are supposed to be backward compatible
413       with 110.0.x.)
414    
415    5. Some cleanup in stand-alone programs.  (Don't use "exnMessage" -- use
416       "General.exnMessage"!  The former relies on a certain hook to be
417       initialized, and that often does not happen in the stand-alone case.)
418    
419    ----------------------------------------------------------------------
420    Name: Lal George
421    Date: 2001/11/21  13:56:18 EST
422    Tag: george-2001121-pseudo-ops
423    Description:
424    
425      Implemented a complete redesign of MLRISC pseudo-ops. Now there
426      ought to never be any question of incompatabilities with
427      pseudo-op syntax expected by host assemblers.
428    
429      For now, only modules supporting GAS syntax are implemented
430      but more should follow, such as MASM, and vendor assembler
431      syntax, e.g. IBM as, Sun as, etc.
432    
433    ----------------------------------------------------------------------
434    Name: Matthias Blume
435    Date: 2001/11/14 11:52:00 EST
436    Tag: blume-20011114-srcname
437    Description:
438    
439    1. Routed the name of the current source file to mlriscgen where it
440       should be directly emitted into the code object.  (This last part
441       is yet to be done.)
442    
443    2. Some cleanup of the pgraph code to make it match the proposal that
444       I put out the other day.  (The proposal notwithstanding, things are
445       still in flux here.)
446    
447    ----------------------------------------------------------------------
448    Name: Lal George
449    Date: 2001/11/14 09:44:04 EST
450    Tag:
451    Description:
452    
453      Fix for a backpatching bug reported by Allen.
454    
455      Because the boundary between short and long span-dependent
456      instructions is +/- 128, there are an astounding number of
457      span-dependent instructions whose size is over estimated.
458    
459      Allen came up with the idea of letting the size of span
460      dependent instructions be non-monotonic, for a maxIter
461      number of times, after which the size must be monotonically
462      increasing.
463    
464      This table shows the number of span-dependent instructions
465      whose size was over-estimated as a function of maxIter, for the
466      file Parse/parse/ml.grm.sml:
467    
468         maxIter            # of instructions:
469            10                      687
470            20                      438
471            30                      198
472            40                        0
473    
474      In compiling the compiler, there is no significant difference in
475      compilation speed between maxIter=10 and maxIter=40. Actually,
476      my measurements showed that maxIter=40 was a tad faster than
477      maxIter=10! Also 96% of the  files in the compiler reach a fix
478      point within 13 iterations, so fixing maxIter at 40, while high,
479      is okay.
480    
481    ----------------------------------------------------------------------
482    Name: Matthias Blume
483    Date: 2001/10/31 15:25:00 EST
484    Tag: blume-20011031-pgraph
485    Description:
486    
487    CKIT:
488    * Changed the "Function" constructor of type Ast.ctype to carry optional
489      argument identifiers.
490    * Changed the return type of TypeUtil.getFunction accordingly.
491    * Type equality ignores the argument names.
492    * TypeUtil.composite tries to preserve argument names but gives up quickly
493      if there is a mismatch.
494    
495    installation script:
496    * attempts to use "curl" if available (unless "wget" is available as well)
497    
498    CM:
499    * has an experimental implementation of "portable graphs" which I will
500      soon propose as an implementation-independent library format
501    * there are also new libraries $/pgraph.cm and $/pgraph-util.cm
502    
503    NLFFI-LIB:
504    * some cleanup (all cosmetic)
505    
506    NLFFIGEN:
507    * temporarily disabled the mechanism that suppresses ML output for
508      C definitions whose identifiers start with an underscore character
509    * generate val bindings for enum constants
510    * user can request that only one style (light or heavy) is being used;
511      default is to use both (command-line arguments: -heavy and -light)
512    * fixed bug in handling of function types involving incomplete pointers
513    * generate ML entry points that take record arguments (i.e., using
514      named arguments) for C functions that have a prototype with named
515      arguments
516      (see changes to CKIT)
517    
518    ----------------------------------------------------------------------
519    Name: Allen Leung
520    Date: 2001/10/27 20:34:00 EDT
521    Tag: leunga-20011027-x86-fast-fp-call
522    Description:
523    
524       Fixed the bug described in blume-20010920-slowfp.
525    
526       The fix involves
527          1. generating FCOPYs in FSTP in ia32-svid
528          2. marking a CALL with the appropriate annotation
529    
530    ----------------------------------------------------------------------
531    Name: Matthias Blume
532    Date: 2001/10/16 11:32:00 EDT
533    Tag: blume-20011016-netbsd
534    Description:
535    
536    Underscore patch from Chris Richards (fixing problem with compiling
537    runtime system under recent NetBSD).
538    
539    ----------------------------------------------------------------------
540    Name: Allen Leung
541    Date: 2001/10/12 17:18:32 EDT 2001
542    Tag: leung-20011012-x86-printflowgraph
543    Description:
544    
545    X86RA now uses a valid (instead of dummy) PrintFlowgraph module.
546    
547    ----------------------------------------------------------------------
548    Name: Lal George
549    Date: 2001/10/11 23:51:34 EDT
550    Tag: george-20011011-too-many-instrs
551    Description:
552    
553    The representation of a program point never expected to see more
554    than 65536 instructions in a basic block!
555    
556    ----------------------------------------------------------------------
557    Name: Lal George
558    Date: 2001/10/09 09:41:37 EDT
559    Tag: george-20011008-mlrisc-labels
560    Description:
561    
562    Changed the machine description files to support printing of
563    local and global labels in assembly code, based on host assembler
564    conventions.
565    
566    ----------------------------------------------------------------------
567    Name: Matthias Blume
568    Date: 2001/09/25 15:25:00 EDT
569    Tag: blume-20010925-exninfo
570    Description:
571    
572    I provided a non-hook implementation of exnName (at the toplevel) and
573    made the "dummy" implementation of exnMessage (at the toplevel) more
574    useful: if nothing gets "hooked in", then at least you are going to
575    see the exception name and a message indicating why you don't see more.
576    
577    [For the time being, programs that need exnMessage and want to use
578    ml-build should either use General.exnMessage (strongly recommended) or
579    refer to structure General at some other point so that CM sees a
580    static dependency.]
581    
582    [Similar remarks go for "print" and "use":  If you want to use their
583    functionality in stand-alone programs generated by ml-build, then use
584    TextIO.output and Backend.Interact.useFile (from $smlnj/compiler.cm).]
585    
586    ----------------------------------------------------------------------
587    Name: Matthias Blume
588    Date: 2001/09/20 17:28:00 EDT
589    Tag: blume-20010920-slowfp
590    Description:
591    
592    Allen says that x86-fast-fp is not safe yet, so I turned it off again...
593    
594    ----------------------------------------------------------------------
595    Name: Matthias Blume
596    Date: 2001/09/20 17:20:00 EDT
597    Tag: blume-20010920-canonicalpaths
598    Description:
599    
600    0. Updated the BOOT file (something that I forgot to do earlier).
601    
602    1. Small internal change to CM so that it avoids "/../" in filenames
603       as much as possible (but only where it is safe).
604    
605    2. Changed config/_run-sml (resulting in a changed bin/.run-sml) so
606       that arguments that contain delimiters are passed through correctly.
607       This change also means that all "special" arguments of the form
608       @SMLxxx... must come first.
609    
610    3. Changed install script to put relative anchor names for tool commands
611       into pathconfig.
612    
613    ----------------------------------------------------------------------
614    Name: Matthias Blume
615    >>>>>>> 1.169
616    Date: 2001/09/18 15:35:00 EDT
617    Tag: blume-20010918-readme11036
618    Description:
619    
620    Added README files.
621    
622    ----------------------------------------------------------------------
623    Name: Matthias Blume
624    Date: 2001/09/18 11:45:00 EDT
625    Tag: Release_110_36 (retag)
626    Description:
627    
628    Fixed mistake in config/preloads. Retagged as 110.36.
629    
630    ----------------------------------------------------------------------
631    Name: Matthias Blume
632    Date: 2001/09/18 09:40:00 EDT
633    Tag: Release_110_36_orig (tag changed)
634    Description:
635    
636    New version (110.36).  New bootfiles.
637    
638    ----------------------------------------------------------------------
639    Name: Matthias Blume
640    Date: 2001/09/14 16:15:00 EDT
641    Tag: blume-20010914-x86fastfp
642    Description:
643    
644    John committed some changes that Allen made, in particular a (hopefully)
645    correctly working version of the x86-fp module.
646    
647    I changed the default setting of the Control.MLRISC.getFlag "x86-fast-fp"
648    flag to "true".  Everything seems to compile to a fixpoint ok, and
649    "mandelbrot" speeds up by about 15%.
650    
651    ----------------------------------------------------------------------
652    Name: Matthias Blume
653    Date: 2001/09/13 11:20:00 EDT
654    Tag: blume-20010913-minimal
655    Description:
656    
657    1. Stefan Monnier's patch to fix a miscompilation problem that
658       was brought to light by John Reppy's work on Moby.
659    
660    2. Implemented a minimal "structure Compiler" that contains just
661       "version" and "architecture".  The minimal version will be
662       available when the full version is not.  This is for backward-
663       compatibility with code that wants to test Compiler.version.
664    
665    ----------------------------------------------------------------------
666    Name: Matthias Blume
667    Date: 2001/08/28 14:03:00 EDT
668    Tag: blume-20010828-ml-lex
669    Description:
670    
671    Fix for bug 1581, received from Neophytos Michael.
672    
673    ----------------------------------------------------------------------
674    Name: Matthias Blume
675    Date: 2001/08/27 11:20:00 EDT
676    Tag: blume-20010827-readme11035
677    Description:
678    
679    Fleshed out the README file for 110.35.
680    
681    ----------------------------------------------------------------------
682    Name: Matthias Blume
683  Date: 2001/08/24 17:10:00 EDT  Date: 2001/08/24 17:10:00 EDT
684  Tag: Release_110_35  Tag: Release_110_35
685  Description:  Description:
# Line 2923  Line 3589 
3589       elaborator). There were a lot of changes during my "linkpath" trials       elaborator). There were a lot of changes during my "linkpath" trials
3590       that could have been reverted to their original state but weren't.       that could have been reverted to their original state but weren't.
3591       Please, don't be too harsh on me for messing with this code a bit more       Please, don't be too harsh on me for messing with this code a bit more
3592       than what was strictly necessary...  (I _did_ resist the tempation       than what was strictly necessary...  (I _did_ resist the temptation
3593       of doing any "global reformatting" to avoid an untimely death at       of doing any "global reformatting" to avoid an untimely death at
3594       Dave's hands. :)       Dave's hands. :)
3595    

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