Add missing *.dat files, needed for the tests of functions caseread and tblread.

 -- Rafael Laboissiere <rafael@debian.org>  Sun, 23 May 2009 13:28:28 +0200

--- /dev/null
+++ b/tblread-space.dat
@@ -0,0 +1,3 @@
+ a bc
+de 1 2
+f 3 4
--- /dev/null
+++ b/tblread-tab.dat
@@ -0,0 +1,3 @@
+ 	a	bc
+de	1	2
+f	3	4
--- /dev/null
+++ b/caseread.dat
@@ -0,0 +1,3 @@
+a
+bcd
+ef