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[plt-scheme] 200alpha20
The exp-tagged code in CVS for MzScheme and MrEd is now version
200alpha20.
Changes:
* Added `quasisyntax', `unsyntax', `unsyntax-splicing' and reader
macros
#` #, #,@
with the obvious meanings analogous to `quasiquote', etc.
* Added `make-file-or-directory-link' (Unix and Mac OS X only).
* MrEd (and, therefore, DrScheme) runs in Mac OS X (Quartz) well
enough to be useful. Build it via `configure', which expects to use
the developer tools supplied by Apple. In particular `configure'
generates makefiles for a Quartz build now, instead of an X11 build.
(Use --enable-xonx to get an X11 MrEd.)
Matthew