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problem with emoji

From: folkert
Subject: problem with emoji
Date: Mon, 4 Feb 2019 17:12:24 +0100
User-agent: NeoMutt/20170306 (1.8.0)


It looks like printing UTF-8 emoji mangles the terminal when printed
from an ncurses application.
Situation is either putty on windows or gnome-terminal on linux, problem
happens on both.
Given this code example:
and this example output:
The program is compiled as follows:
g++ ncursesw-utf8.cpp -lpanelw -lncursesw
This should give two "windows". One on the left, one on the right. As is
visible, the border between the two windows is mangled when certain
utf-8 emoji are printed.

Is this a problem in ncursesw? Or am I doing something wrong?

Folkert van Heusden

Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com

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