Re: [plt-dev] Release Announcement for v4.2.1

I think define-relation is new this time, in Redex...?

Robby

On Mon, Jul 20, 2009 at 5:44 PM, Eli Barzilay<eli@xxxxxxxxxxxx> wrote:
> The release announcement item candidates that I have so far are below.
> Please mail me new items and/or edits.
>
> ----------------------------------------------------------------------
>
> [Matthew]
> * fixed problem with installation of docs in planet packages
> Â(adjust planet client to handle nested planet invocations by
> Âre-building the doc index only once)
> * delete/backspace issue in DrScheme/MrEd
> * identifier-prune-lexical-context (4.2.0.2)
> Âsyntax-local-lift-values-expression (4.2.0.3)
> Âsyntax-local-lift-provide
> * safe-for-space fixes for the interepreter
> * expose and support unreadable symbols
> * Various efficiency improvements to keyword arguments.
> * better interaction of HtDP languages with scheme/match
>
> [Jay]
> * FrTime reorganization
>
> [Matthias]
> * new universe teachpack updates?
> Â(universe keeps track of iworlds now; utest contains ball game)
>
> [Robby]
> * redex stuff (brought back syntax locations (for better error
> Âmessages) in redex main forms and improved define-relation;
> Âimproved where patterns and a few bug fixes; added
> Âmetafunction-cases and fixed a layout bug; fixed bug in
> Ârendering of reduction relations; added x-spacing and y-spacing
> Âparameters to traces and traces/ps)
> * DrScheme's module browser always shows files from the same
> Âcollection (possibly a planet collection) regardless of the kind
> Âof `require' form that is used.
>
> [Ryan]
> * macro-debugger stuff (disable lift errors; fixed opaque variable
> Âref bug)
> * syntax/parse and syntax/id-table libraries
>
> [Sam]
> * typed-scheme stuff ("paths branch")
>
> [Eli]
> * New `make-at-reader/inside' and `make-at-reader' makes it easy
> Âto define new scribble readers (in "inside mode" or not) with a
> Âcommand character different from `@'.
> * Note about one of the last builds to include a solaris
> Âdistribution, and if anyone has access to a solaris machine we
> Âcan incorporate it into the build.
>
> ----------------------------------------------------------------------
>
> --
> Â Â Â Â Â((lambda (x) (x x)) (lambda (x) (x x))) Â Â Â Â ÂEli Barzilay:
> Â Â Â Â Â Â Â Â Â Âhttp://barzilay.org/ Â Â Â Â Â Â Â Â Â Maze is Life!
> _________________________________________________
> ÂFor list-related administrative tasks:
> Âhttp://list.cs.brown.edu/mailman/listinfo/plt-dev
>
_________________________________________________
  For list-related administrative tasks:
  http://list.cs.brown.edu/mailman/listinfo/plt-dev