Do not strip whitespace from sections and string keys.

Fixes Issue #14

lib/twine/stringsfile.rb

@@ -88,14 +88,14 @@ module Twine
           if line.length > 4 && line[0, 2] == '[['
             match = /^\[\[(.+)\]\]$/.match(line)
             if match
-              current_section = StringsSection.new(match[1].strip)
+              current_section = StringsSection.new(match[1])
               @sections << current_section
               parsed = true
             end
           elsif line.length > 2 && line[0, 1] == '['
             match = /^\[(.+)\]$/.match(line)
             if match
-              current_row = StringsRow.new(match[1].strip)
+              current_row = StringsRow.new(match[1])
               @strings_map[current_row.key] = current_row
               if !current_section
                 current_section = StringsSection.new('')

test/fixtures/strings-2.txt

@@ -0,0 +1,5 @@
+[[My Strings]]
+	[key with space ]
+		en = `string with space `
+		tags = tag1
+		comment = String ends with space

test/fixtures/test-output-6.txt

@@ -0,0 +1,10 @@
+/**
+ * Apple Strings File
+ * Generated by Twine <%= Twine::VERSION %>
+ * Language: en
+ */
+
+/********** My Strings **********/
+
+/* String ends with space */
+"key with space " = "string with space ";

test/twine_test.rb

@@ -28,6 +28,14 @@ class TwineTest < Test::Unit::TestCase
     end
   end
 
+  def test_generate_string_file_4
+    Dir.mktmpdir do |dir|
+      output_path = File.join(dir, 'en.strings')
+      Twine::Runner.run(%W(generate-string-file test/fixtures/strings-2.txt #{output_path} -t tag1))
+      assert_equal(ERB.new(File.read('test/fixtures/test-output-6.txt')).result, File.read(output_path))
+    end
+  end
+
   def test_consume_string_file_1
     Dir.mktmpdir do |dir|
       output_path = File.join(dir, 'strings.txt')