Many thanks! Trying them now. The Ubuntu build for Ubuntu 22.04 still gives me the segmentation fault below when trying to run the first example in the Graph plugin help document:

Best wishes,

Antonio

============================================

TeXmacs] With linked TrueType support
TeXmacs] debug-shell, Launching 'python3 "/usr/local/share/TeXmacs/plugins/tmpy/session/tm_graph.py"'
Throwing segmentation fault
-------------------------------------------------
Error message:
  segmentation fault

System information:
  TeXmacs version  : 2.1.2
  Built by         : abuild
  Building date    : Sat Jul  2 12:22:35 UTC 2022
  Operating system : linux-gnu
  Vendor           : pc
  Processor        : @CONFIG_HOST_CPU@
  Crash date       : lun 04 jul 2022 17:38:23 CDT

Editor status:
  Root path          : [ 0 ]
  Current path       : [ 0, 0, 2, 9, 1 ]
  Shifted path       : [ 0, 0, 2, 9, 1 ]
  Physical selection : [ 0, 0, 2, 9, 1 ] -- [ 0, 0, 2, 9, 1 ]

Backtrace of C++ stack:
  texmacs.bin : () + 0x29b4f2
  texmacs.bin : () + 0x1ea976
  /usr/lib/x86_64-linux-gnu/libc.so.6 : () + 0x42520
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : () + 0x22e4ce
  texmacs.bin : () + 0x97fac7
  texmacs.bin : () + 0x38ef88
  texmacs.bin : () + 0x6d0d9d
  /lib/libguile.so.17 : () + 0x50d07
  /lib/libguile.so.17 : () + 0x50e9b
  /lib/libguile.so.17 : scm_dapply() + 0xa7d
  /lib/libguile.so.17 : scm_c_with_throw_handler() + 0x120
  /lib/libguile.so.17 : scm_c_catch() + 0x15e
  /lib/libguile.so.17 : scm_internal_catch() + 0x12
  texmacs.bin : () + 0x84ff46
  texmacs.bin : () + 0x46a980
  texmacs.bin : () + 0x46b252
  texmacs.bin : () + 0x70827f
  /lib/libguile.so.17 : () + 0x50d77
  /lib/libguile.so.17 : () + 0x50e9b
  /lib/libguile.so.17 : scm_dapply() + 0xa7d
  /lib/libguile.so.17 : scm_c_with_throw_handler() + 0x120
  /lib/libguile.so.17 : scm_c_catch() + 0x15e
  /lib/libguile.so.17 : scm_internal_catch() + 0x12
  texmacs.bin : () + 0x857144
  texmacs.bin : () + 0x46cfb3
  texmacs.bin : () + 0xbb3aa6
  texmacs.bin : () + 0x970d00
  texmacs.bin : () + 0x816679
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : () + 0x2f17b8
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QTimer::timeout(QTimer::QPrivateSignal) + 0x3e
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QObject::event(QEvent*) + 0x1cf
  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 : QApplicationPrivate::notify_helper(QObject*, QEvent*) + 0x83
  texmacs.bin : () + 0x81d401
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*, QEvent*) + 0x13a
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QTimerInfoList::activateTimers() + 0x3db
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : () + 0x312cdc
  /lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_dispatch() + 0x26b
  /lib/x86_64-linux-gnu/libglib-2.0.so.0 : () + 0xaa6f8
  /lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_iteration() + 0x33
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 0x68
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 0x12b
  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplication::exec() + 0x94
  texmacs.bin : () + 0x1fc4c5
  /lib/libguile.so.17 : () + 0x6ab13
  /lib/libguile.so.17 : () + 0x3ffce
  /lib/libguile.so.17 : scm_c_catch() + 0x15e
  /lib/libguile.so.17 : scm_i_with_continuation_barrier() + 0xb5
  /lib/libguile.so.17 : scm_c_with_continuation_barrier() + 0x44
  /lib/libguile.so.17 : scm_i_with_guile_and_parent() + 0x3a
  /lib/libguile.so.17 : scm_boot_guile() + 0x39
  texmacs.bin : () + 0x1d1dae
  /usr/lib/x86_64-linux-gnu/libc.so.6 : () + 0x29d90
  /usr/lib/x86_64-linux-gnu/libc.so.6 : __libc_start_main() + 0x80
  texmacs.bin : () + 0x1ea815

-------------------------------------------------
TeXmacs] failed-error, Exception, segmentation fault

On Mon, 4 Jul 2022 at 15:57, Kostas Oikonomou <address@hidden> wrote: