Changes to m4/doc/m4.texinfo,v

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/01/13 13:55:37

Index: doc/m4.texinfo
===================================================================
RCS file: /sources/m4/m4/doc/m4.texinfo,v
retrieving revision 1.91
retrieving revision 1.92
diff -u -b -r1.91 -r1.92
--- doc/m4.texinfo      12 Jan 2007 23:07:27 -0000      1.91
+++ doc/m4.texinfo      13 Jan 2007 13:55:37 -0000      1.92
@@ -6054,6 +6054,17 @@
 The macro @code{mpeval} is recognized only with parameters.
 @end deffn
 
+For the most part, using @code{mpeval} is similar to using @code{eval}:
+
address@hidden options: -m mpeval
address@hidden
+$ @kbd{m4 -m mpeval}
+mpeval(`(1 << 70) + 2 ** 68 * 3', `16')
address@hidden
+`0r24:'mpeval(`0r36:zYx', `24', `5')
address@hidden:038m9
address@hidden example
+
 The ratio operator, @samp{\}, is provided with the same precedence as
 division, and rationally divides two numbers and canonicalizes the
 result, whereas the division operator @samp{/} always returns the
@@ -6072,8 +6083,22 @@
 even in @acronym{POSIX} mode, since @code{mpeval} does not have to
 conform to the @acronym{POSIX} rules for @code{eval}.
 
address@hidden fixme - need some examples, but conditional on whether modules
address@hidden and mpeval are both supported
address@hidden options: -m mpeval
address@hidden
+$ @kbd{m4 -m mpeval}
+mpeval(`2 / 4')
address@hidden
+mpeval(`2 \ 4')
address@hidden
+mpeval(`2 || 3')
address@hidden
+mpeval(`1 && 3')
address@hidden
+mpeval(`-1 >> 1')
address@hidden
+mpeval(`-1 >>> 1')
address@hidden
address@hidden example
 
 @node Shell commands
 @chapter Macros for running shell commands