add when, unless
authorAndy Wingo <wingo@pobox.com>
Fri, 20 Jan 2012 18:47:02 +0000 (19:47 +0100)
committerAndy Wingo <wingo@pobox.com>
Fri, 20 Jan 2012 18:51:45 +0000 (19:51 +0100)
commit9accf3d98ffd1d9d484e5214a9dd9e4054204557
tree8aa53e7eabc6bc4ca6a3a8adafac94d9b0a2da09
parent7d02e256610e37c0ab0e8c55623d6f6c6eacab82
add when, unless

* module/ice-9/boot-9.scm (when, unless): New forms.

* doc/ref/api-control.texi (Conditionals): Add docs.  Rename this
  node from "if cond case".

* doc/ref/r6rs.texi:
* doc/ref/scheme-ideas.texi:
* doc/ref/srfi-modules.texi: Update referrers.
doc/ref/api-control.texi
doc/ref/api-data.texi
doc/ref/r6rs.texi
doc/ref/scheme-ideas.texi
doc/ref/srfi-modules.texi
module/ice-9/boot-9.scm