gb at clozure.com
Mon Mar 29 09:23:01 UTC 2010
And the same spec says that WITH-STANDARD-IO-SYNTAX binds *PRINT-READABLY*
to T (and that that produces "standard read/print behavior".) Perhaps that
means that "standard behavior" and "default behavior" intentionally differ.
I wouldn't want to have to explain that (just thinking about it is hard
enough ...), so it's probably better that threads start up with "default,
though perhaps non-standard" values of the reader/printer control variables.
The change was motivated by a desire to keep an assignment to one of those
variables in one thread from unexpectedly affecting the value visible in
another thread. That's generally a good thing (even though that kind of
assignment isn't generally a Good Idea), but it does mean that setting
something (something like *PRINT-PRETTY*) in your init file doesn't
have exactly the same (generally benign) effect that it had before the
On Mon, 29 Mar 2010, Sudhir Shenoy wrote:
> In the latest change to l1-boot-2.lisp, shouldn't the value for *print-
> readably* be set to nil? SLIME breaks with it set to 't' and according
> to the Hyperspec, the default value of *print-readably* is false ...
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