Diff of /sml/trunk/HISTORY

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	revision 642, Thu May 11 07:30:29 2000 UTC	revision 643, Fri May 12 08:29:15 2000 UTC
#	Line 13	Line 13
13	Description:	Description:
14	----------------------------------------------------------------------	----------------------------------------------------------------------
15	Name: Matthias Blume	Name: Matthias Blume
16		Date: 2000/05/12 17:30:00 JST
17		Tag: blume-20000512-anchors
18		Description:
19
20		!!! NEW BOOT FILES !!!
21
22		This change is in preparation of fading out support for "implicitly
23		anchored path names".  I went through all sources and used the
24		explicit (and relatively new) $-notation.  See system/README and the
25		CM manual for more info on this.
26
27		I also modified the anchoring scheme for some things such as "smlnj",
28		"MLRISC", "cm", etc. to take advantage of the fact that explicit
29		anchors are more expressive: anchor name and first arc do not have to
30		coincide.  This entails the following user-visible change:
31
32		You have to write $smlnj/foo/bar instead of smlnj/foo/bar.  In
33		particular, when you fire up sml with a command-line argument, say,
34		e.g.:
35
36		sml '$smlnj/cmb.cm'
37
38		At the ML toplevel prompt:
39
40		CM.autoload "$smlnj/cmb.cm";
41
42		There is also a new controller in CM.Control that can be used to turn
43		off all remaining support for implicit anchors by saying:
44
45		CM.autoload "$smlnj/
46		#set CM.Control.implicit_anchors false;
47
48		This causes CM to reject implicitly anchored paths.  This is (for the
49		time being) less permissive than the "final" version where there will
50		be no more such implicit anchors and relative paths will be just that:
51		relative.
52
53		The next step (version after next version?) will be to make the
54		default for CM.Control.implicit_anchors false.  After the dust has
55		settled, I can then produce the "final" version of this...
56
57		Note: Since bootstrapping is a bit tricky, I provided new boot files.
58
59		----------------------------------------------------------------------
60		Name: Matthias Blume
61	Date: 2000/05/11 16:30:00 JST	Date: 2000/05/11 16:30:00 JST
62	Tag: blume-20000511-sources	Tag: blume-20000511-sources
63	Description:	Description:

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