hush: add testsuite for "no globbing in redirection" rule.
 simplify redirection habdling

diff --git a/shell/hush_test/hush-parsing/escape3.right b/shell/hush_test/hush-parsing/escape3.right
new file mode 100644
index 0000000..da02a97
--- /dev/null
+++ b/shell/hush_test/hush-parsing/escape3.right
@@ -0,0 +1,23 @@
+v: a \ b \\ c \\\ d \\\\ e
+v: a \ b \\ c \\\ d \\\\ e
+Unquoted:
+.a.
+.\.
+.b.
+.\\.
+.c.
+.\\\.
+.d.
+.\\\\.
+.e.
+Quoted:
+.a.
+.\.
+.b.
+.\\.
+.c.
+.\\\.
+.d.
+.\\\\.
+.e.
+done