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+_Flips CSS from LTR to an RTL orienation and vice-versa_
+Author: `Lindsey Simon <>`
+CSSJanus is CSS parser utility designed to aid the conversion of a website's
+layout from left-to-right(LTR) to right-to-left(RTL). The script was born out of
+a need to convert CSS for RTL languages when tables are not being used for layout (since tables will automatically reorder TD's in RTL).
+CSSJanus will change most of the obvious CSS property names and their values as
+well as some not-so-obvious ones (cursor, background-position %, etc...).
+The script is designed to offer flexibility to account for cases when you do
+not want to change certain rules which exist to account for bidirectional text
+display bugs, as well as situations where you may or may not want to flip annotations inside of the background url string.
+Note that you can disable CSSJanus from running on an entire class or any
+rule within a class by prepending a /* @noflip */ comment before the rule(s)
+you want CSSJanus to ignore.
+CSSJanus itself is not always enough to make a website that works in a LTR
+language context work in a RTL language all the way, but it is a start.
+==Getting the code==
+View the trunk at:
+Check out the latest development version anonymously with:
+ $ svn checkout cssjanus
+ ./ < file.css > file-rtl.css
+ --swap_left_right_in_url: Fixes "left"/"right" string within urls.
+ Ex: ./ --swap_left_right_in_url < file.css > file_rtl.css
+ --swap_ltr_rtl_in_url: Fixes "ltr"/"rtl" string within urls.
+ Ex: ./ --swap_ltr_rtl_in_url < file.css > file_rtl.css
+If you'd like to make use of the webapp version of cssjanus, you'll need to
+download the Google App Engine SDK
+and also drop a "django" directory into this directory, with the latest svn
+from django. You should be good to go with that setup. Please let me know
+==Bugs, Patches==
+Patches and bug reports are welcome, just please keep the style
+consistent with the original source. If you find a bug, please include a diff
+of with the bug included as a new unit test which fails. It
+will make understanding and fixing the bug easier.
+* Include some helpers for some typical bidi text solutions?
+* Aural CSS (azimuth) swapping?
+Additional thanks to Mike Samuel for his work on, Andy Perelson for
+his help coding and reviewing, Stephen Zabel for his help with i18n and my sanity,
+and to Eric Meyer for his thoughtful input.
+Thanks to Junyu Wang for the Chinese translation.
+Thanks to Masashi Kawashima for the Japanese translation.
+Thanks to Taaryk Taar and Tariq Al-Omaireeni for an updated Arabic translation.
+Thanks to Jens Meiert for the German translation.
+ Copyright 2008 Google Inc. All Rights Reserved.
+ Licensed under the Apache License, Version 2.0 (the 'License');
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an 'AS IS' BASIS,
+ See the License for the specific language governing permissions and
+ limitations under the License.