Hard tabs in empty lines in Haml and Sass no longer throw errors.

git-svn-id: svn://hamptoncatlin.com/haml/trunk@459 7063305b-7217-0410-af8c-cdc13e5119b9

lib/haml/engine.rb

@@ -716,6 +716,8 @@ END
     def count_soft_tabs(line)
       spaces = line.index(/[^ ]/)
       if line[spaces] == ?\t
+        return nil if line.strip.empty?
+
         raise SyntaxError.new("Illegal Indentation: Only two space characters are allowed as tabulation.")
       end
       [spaces, spaces/2]

lib/sass/engine.rb

@@ -142,6 +142,9 @@ module Sass
       spaces = line.index(/[^ ]/)
       if spaces
         if spaces % 2 == 1 || line[spaces] == ?\t
+          # Make sure a line with just tabs isn't an error
+          return nil if line.strip.empty?
+
           raise SyntaxError.new("Illegal Indentation: Only two space characters are allowed as tabulation.", @line) 
         end
         spaces / 2

test/haml/templates/just_stuff.haml

@@ -39,6 +39,8 @@
   Woah a period.
 = "test" |
   "test" |
+-# Hard tabs shouldn't throw errors.
+	
 - case :foo
 - when :bar
   %br Blah

test/sass/templates/complex.sass

@@ -109,6 +109,9 @@ body
   a:hover
     :text-decoration underline
 
+// A hard tab:
+	
+
 #content
   p, div
     :width 40em