[Xcb] Error message "Invalid MIT-MAGIC-COOKIE-1 key" not followed by a newline character (#80) · Issues · xorg / lib / libX11 · GitLab

[Alan Coopersmith]

This appears to actually be a libxcb bug, not libX11:
https://gitlab.freedesktop.org/xorg/lib/libx11/issues/80

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	-Alan Coopersmith-               alan.coopersmith at oracle.com
	 Oracle Solaris Engineering - https://blogs.oracle.com/alanc