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letrec* in docs, and some r6rs fixes

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* doc/ref/api-binding.texi: Add docs for letrec*, and revise some other
  text.
* doc/ref/compiler.texi: Update <letrec> for in-order?.
* doc/ref/r6rs.texi: Add letrec* entry.

* module/rnrs.scm:
* module/rnrs/base.scm: Export letrec*.
This commit is contained in:
Andy Wingo 2010-08-06 11:52:27 +02:00
commit 935c7acac7
5 changed files with 92 additions and 70 deletions
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6
doc/ref/compiler.texi
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@ -441,10 +441,10 @@ original binding names, @var{gensyms} are gensyms corresponding to the
@var{names}, and @var{vals} are Tree-IL expressions for the values.
@var{exp} is a single Tree-IL expression.
@end deftp
@deftp {Scheme Variable} <letrec> src names gensyms vals exp
@deftpx {External Representation} (letrec @var{names} @var{gensyms} @var{vals} @var{exp})
@deftp {Scheme Variable} <letrec> in-order? src names gensyms vals exp
@deftpx {External Representation} (letrec @var{in-order?} @var{names} @var{gensyms} @var{vals} @var{exp})
A version of @code{<let>} that creates recursive bindings, like
Scheme's @code{letrec}.
Scheme's @code{letrec}, or @code{letrec*} if @var{in-order?} is true.
@end deftp
@deftp {Scheme Variable} <dynlet> fluids vals body
@deftpx {External Representation} (dynlet @var{fluids} @var{vals} @var{body})