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

simplify redirection habdling

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

shell/hush_test/hush-parsing/escape3.tests

@@ -0,0 +1,8 @@
+v='a \ b \\ c \\\ d \\\\ e'
+echo v: $v
+echo v: "$v"
+echo Unquoted:
+for a in $v; do echo .$a.; done
+echo Quoted:
+for a in $v; do echo ".$a."; done
+echo done

shell/hush_test/hush-parsing/redir_space.right

@@ -0,0 +1,3 @@
+z1.tmp: 1
+z2.tmp: 1
+"z1.tmp z2.tmp": TEST 0

shell/hush_test/hush-parsing/redir_space.tests

@@ -0,0 +1,6 @@
+v='z1.tmp z2.tmp'
+echo TEST >$v
+echo 'z1.tmp:' `cat 'z1.tmp' 2>/dev/null; echo $?`
+echo 'z2.tmp:' `cat 'z2.tmp' 2>/dev/null; echo $?`
+echo '"z1.tmp z2.tmp":' `cat 'z1.tmp z2.tmp' 2>/dev/null; echo $?`
+rm z*.tmp