diff --git a/lib/liquid.rb b/lib/liquid.rb
index 363a633..679d1c2 100644
--- a/lib/liquid.rb
+++ b/lib/liquid.rb
@@ -33,7 +33,8 @@ module Liquid
   VariableStart               = /\{\{/
   VariableEnd                 = /\}\}/
   VariableIncompleteEnd       = /\}\}?/
-  QuotedFragment              = /"[^"]+"|'[^']+'|[^\s,\|]+/
+  QuotedString                = /"[^"]+"|'[^']+'/
+  QuotedFragment              = /#{QuotedString}|(?:[^\s,\|'"]|#{QuotedString})+/
   StrictQuotedFragment        = /"[^"]+"|'[^']+'|[^\s,\|,\:,\,]+/
   FirstFilterArgument         = /#{FilterArgumentSeparator}(?:#{StrictQuotedFragment})/
   OtherFilterArgument         = /#{ArgumentSeparator}(?:#{StrictQuotedFragment})/
diff --git a/lib/liquid/tags/cycle.rb b/lib/liquid/tags/cycle.rb
index 71965ca..64d6d20 100644
--- a/lib/liquid/tags/cycle.rb
+++ b/lib/liquid/tags/cycle.rb
@@ -13,8 +13,8 @@ module Liquid
   #    <div class="green"> Item five</div>
   #
   class Cycle < Tag
-    SimpleSyntax = /#{Expression}/        
-    NamedSyntax = /(#{Expression})\s*\:\s*(.*)/
+    SimpleSyntax = /^#{Expression}/        
+    NamedSyntax = /^(#{Expression})\s*\:\s*(.*)/
   
     def initialize(tag_name, markup, tokens)      
       case markup
@@ -27,7 +27,6 @@ module Liquid
       else
         raise SyntaxError.new("Syntax Error in 'cycle' - Valid syntax: cycle [name :] var [, var2, var3 ...]")
       end
-
       super    
     end    
   
diff --git a/test/standard_tag_test.rb b/test/standard_tag_test.rb
index aae09bd..7b33253 100644
--- a/test/standard_tag_test.rb
+++ b/test/standard_tag_test.rb
@@ -212,6 +212,11 @@ HERE
     assert_template_result('a-b:1 a-b:2','a-b:{{a-b}} {%assign a-b = 2 %}a-b:{{a-b}}',assigns)
     
   end
+  
+  def test_assign_with_colon_and_spaces
+    assigns = {'var' => {'a:b c' => {'paged' => '1' }}}
+    assert_template_result('var2: 1','{%assign var2 = var["a:b c"].paged %}var2: {{var2}}',assigns)
+  end
 
   def test_capture
     assigns = {'var' => 'content' }
@@ -348,6 +353,9 @@ HERE
     assert_template_result('one two','{%cycle "one", "two"%} {%cycle "one", "two"%}') 
     
     assert_template_result('one two one','{%cycle "one", "two"%} {%cycle "one", "two"%} {%cycle "one", "two"%}') 
+    
+    assert_template_result('text-align: left text-align: right','{%cycle "text-align: left", "text-align: right" %} {%cycle "text-align: left", "text-align: right"%}') 
+    
   end
   
   def test_multiple_cycles