Provided by: pcl-tools_1.8.1+dfsg1-2ubuntu2.18.04.1_amd64 

NAME
pcl_modeler - pcl_modeler
DESCRIPTION
[xcb] Extra reply data still left in queue [xcb] This is most likely caused by a broken X extension
library [xcb] Aborting, sorry about that. pcl_modeler: ../../src/xcb_io.c:576: _XReply: Assertion
`!xcb_xlib_extra_reply_data_left' failed.
AUTHOR
pcl_modeler is part of Point Cloud Library (PCL) - www.pointclouds.org
The Point Cloud Library (PCL) is a standalone, large scale, open project for 2D/3D image and point cloud
processing.
This manual page was written by Leopold Palomo-Avellaneda <leo@alaxarxa.net> with the help of help2man
tool and some handmade arrangement for the Debian project (and may be used by others).
pcl_modeler 1.7.1 May 2014 PCL_MODELER(1)