Log Message:
wesnoth: updated to 1.18.3

Version 1.18.3
Campaigns
 * Eastern Invasion
   * S04c: achievement now only triggers when escaping with all knights alive
   * S11/S99: flying units can no longer enter prison cells via the river
   * S12: fixed Dra-Nak (if present) having incorrect traits and portraits
   * S17b: AI is now more forced to recruit only higher-level units when gold \ 
reserves get too high
   * S99: prisoners now escape if their jailers are killed
 * Under the Burnings Suns
   * S04: added sprite for the Cold Dagger item
Editor
 * Added Show Tool Information toggle option in the menus and toolbar to allow \ 
hiding the informational tooltip on the edge of the screen that shows the \ 
current editor tool's usage and palette information
Translations
 * Updated translations: Arabic, Bengali, British English, Chinese (Simplified), \ 
Czech, Finnish, French, German, Hungarian, Italian, Japanese, Turkish, Ukrainian
User interface
 * Help button in the leaderchoosing window works on all languages
WML Engine
 * Fix crash when weapon specials' filters lead to infinite recursion
Miscellaneous and Bug Fixes
 * Search filter should now be case-insensitive for more than just ASCII characters