1. 6.x includes/bootstrap.inc LANGUAGE_RTL
  2. 7.x includes/bootstrap.inc LANGUAGE_RTL

Language written right to left. Possible value of $language->direction.

7 uses of LANGUAGE_RTL
drupal_add_css in includes/common.inc
Adds a CSS file to the stylesheet queue.
locale_languages_overview_form in includes/locale.inc
User interface for the language overview screen.
phptemplate_get_ie_styles in themes/garland/template.php
Generates IE CSS links for LTR and RTL languages.
template_preprocess_book_export_html in modules/book/book.module
Process variables for book-export-html.tpl.php.
_color_page_alter in modules/color/color.module
Callback for the theme to alter the resources used.

... See full list


includes/bootstrap.inc, line 214
Functions that need to be loaded on every Drupal request.


define('LANGUAGE_RTL', 1)