More corner-case testing.

* doc/m4.texinfo (Pseudo Arguments): Test more corner cases.

Signed-off-by: Eric Blake <ebb9@byu.net>

2 files changed, 13 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index bfd5de97..86d8ad43 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2007-11-07  Eric Blake  <ebb9@byu.net>
+
+	* doc/m4.texinfo (Pseudo Arguments): Test more corner cases.
+
 2007-11-05  Eric Blake  <ebb9@byu.net>
 
 	Use assert, rather than INTERNAL ERROR.
diff --git a/doc/m4.texinfo b/doc/m4.texinfo
index 9a1816b6..f028e3d6 100644
--- a/doc/m4.texinfo
+++ b/doc/m4.texinfo
@@ -1943,10 +1943,19 @@ foo)
 
 @example
 define(`echo', `$@@')dnl
+echo(echo(`01234567890123456789', `01234567890123456789')
+echo(`98765432109876543210', `98765432109876543210'))
+@result{}01234567890123456789,01234567890123456789
+@result{}98765432109876543210,98765432109876543210
 len((echo(`01234567890123456789',
           `01234567890123456789')echo(`98765432109876543210',
                                       `98765432109876543210')))
 @result{}84
+indir(`echo', indir(`echo', `01234567890123456789',
+                            `01234567890123456789')
+indir(`echo', `98765432109876543210', `98765432109876543210'))
+@result{}01234567890123456789,01234567890123456789
+@result{}98765432109876543210,98765432109876543210
 define(`argn', `$#')dnl
 define(`echo1', `-$@@-')define(`echo2', `,$@@,')dnl
 echo1(`1', `2', `3') argn(echo1(`1', `2', `3'))