application-settable readline timeouts

tests/read.right

@@ -67,3 +67,12 @@ FOO
 0
 0
 1
+[?2004h[?2004l
+timeout 1: ok
+unset or null 1
+[?2004h[?2004l
+timeout 2: ok
+unset or null 2
+[?2004h[?2004l
+timeout 3: ok
+unset or null 3

tests/read.tests

@@ -111,4 +111,4 @@ ${THIS_SH} ./read5.sub
 ${THIS_SH} ./read6.sub
 
 # test behavior of readline timeouts
-# ${THIS_SH} ./read7.sub
+${THIS_SH} ./read7.sub

tests/read7.sub

@@ -53,3 +53,6 @@ echo abcde | {
 	read -e -t 0.5 a
 	echo $a
 }
+
+read -e -t .0001 a <<<abcde
+echo $a