Log Message:
less: Update to 563

Changes:
563
---
 - Update Unicode tables.
 - Treat Hangul Jamo medial vowels and final consonants as zero width.
 - Display error message immediately when -o is toggled and input is not a
   pipe.
 - Fix regression: make screen repaint when "squished" and a no-movement
   command is given.
 - Fix erroneous EOF calculation when F command is interrupted.
 - Make WIN32C version include this fix from 551: Don't count lines in
   initial screen if using -X with -F.
 - Fix display bug in WIN32C version.
 - Fix memory corruption when built with libtermcap.
 - Fix crash on some systems due to realpath incompatibility.
 - Support libtinfow.