Add some shell indentation test cases.

* test/indent/shell.sh:
* test/indent/shell.rc: Add some test cases.

test/ChangeLog

@@ -1,3 +1,8 @@
+2012-04-28  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* indent/shell.sh:
+	* indent/shell.rc: Ad some test cases.
+
 2012-04-24  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* indent/ruby.rb: New file, to test new syntax-propertize code.

test/indent/shell.rc

@@ -1,7 +1,10 @@
 #!/bin/rc
 
 if (foo) {
-    echo 1
+    echo 1 \
+         toto \
+         tutu
+    titi
 }
 if not {
     echo 2
@@ -23,6 +26,10 @@ switch ($a) {
         for (i in a b c)
             echo "$i"           # KNOWN INDENT BUG
         echo titi
+        if (foo)
+            echo 3		# KNOWN INDENT BUG
+        if not
+            echo 4		# KNOWN INDENT BUG
 
     case *
 	echo other

test/indent/shell.sh

@@ -13,6 +13,7 @@ foo () {
     case toto
     in a) hello                 # KNOWN INDENT BUG
     ;; b) hi                    # KNOWN INDENT BUG
+    ;; c) hi                    # KNOWN INDENT BUG
     esac
 
     case $toto in
@@ -34,7 +35,8 @@ foo () {
             sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
             ;;
     esac |
-        cat                     # KNOWN INDENT BUG
+        grep '.' |              # KNOWN INDENT BUG
+        sed 1d
     
     case toto in
         -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \