Patch #346 - 2019/05/27
update description of the “default” setting for the renderFont resource to match the behavior in patch #261 (Debian #862042).
account for internalBorder in useBorderClipping (report by Robert Ross).
update table of unknown-width characters in wcwidth.c based on Unicode 12.1.0 (prompted by discussion with Robert Ross).
improve description of DECSCL versus S7C1T and S8C1T in ctlseqs.ms.
improve consistency between CSI3t and CSI13t, accounting for differences between some window managers' handling of EMWH extents (report by Bram Moolenaar).
fix a sign-extension when reporting offscreen window position (report by Bram Moolenaar).