Add λ' macro as an alternative to lambda'.

* module/ice-9/boot-9.scm (λ): New macro.

* NEWS: Update.

NEWS

@@ -105,6 +105,8 @@ unlikely that any code out there actually used this functionality.
 GOOPS, Guile's object system, used to be documented in separate manuals.
 This content is now included in Guile's manual directly.
 
+** Last but not least, the `λ' macro can be used in lieu of `lambda'
+
 ** And of course, the usual collection of bugfixes
  
 Interested users should see the ChangeLog for more information.
@@ -700,6 +702,8 @@ no effect, and will trigger a deprecation warning.
 Instead, use make-typed-array, list->typed-array, or array-type,
 respectively.
 
+** Last but not least, the `λ' macro can be used in lieu of `lambda'
+
 * Changes to the C interface
 
 ** Guile now uses libgc, the Boehm-Demers-Weiser garbage collector

module/ice-9/boot-9.scm

@@ -1,4 +1,4 @@
-;;; installed-scm-file
+;;; -*- mode: scheme; coding: utf-8; -*-
 
 ;;;; Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009
 ;;;; Free Software Foundation, Inc.
@@ -3034,6 +3034,13 @@ module '(ice-9 q) '(make-q q-length))}."
        (defmacro name args . body)
        (export-syntax name)))))
 
+;; And now for the most important macro.
+(define-syntax λ
+  (syntax-rules ()
+    ((_ formals body ...)
+     (lambda formals body ...))))
+
+
 ;; Export a local variable
 
 ;; This function is called from "modules.c".  If you change it, be