Issue #967274: Add hook_print_url_list_alter so that glossary-type modules can replace the URL with the definition.

Issue #953920: Stop using the print array created by_print_var_generator(). Instead make the print.tpl.php a real template and move most of the work into print_preprocess_print().

Issue #953920: Stop using the print array created by_print_var_generator(). Instead make the print.tpl.php a real template and move most of the work into print_preprocess_print().

Fix links in individual comments when not yet in node-specific db

Create upgrade functions to delete old variables and to rename the print_display_type vars to print_html_display_type

Issue #1521238: remove warning when comment printing is enabled, for node types that don't have comments on.

Issue #1351412: Use 'Send by email' instead of 'Send to friend' and use recommended 'email' spelling instead of 'e-mail'.

Issue #1490056 by Norberto Ostallo: Allow other modules to modify the view implementing hook_entity_view