Devhelp assistant blank window

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Hi all,

I cannot determine if this is a bug in the devhelp assistant or if
it's my setup/environment.

When I run:

   devhelp -a "whatever-function"

Instead of having the window with the function description, I've an
empty white page.

This was happening from time to time till few weeks ago, but killing
the window and relaunching it, was "fixing" the problem, lately I
cannot use "devhelp -a" anymore.

How can I debug this?

Enclosed you can find a log of the command:

GDK_DEBUG=all devhelp -a gprint 2> devhelp.log

Follows some other info about my system

$ uname -a
Linux Ade 4.18.16-arch1-1-ARCH #1 SMP PREEMPT Sat Oct 20 22:06:45 UTC
2018 x86_64 GNU/Linux


$ sudo lshw -C video
  *-display
       description: VGA compatible controller
       product: 2nd Generation Core Processor Family Integrated
Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:28 memory:f0000000-f03fffff
memory:e0000000-efffffff ioport:5000(size=64) memory:c0000-dffff


$ pacman -Q | grep -E -e devhelp -e '^gtk' -e 'gdk' -e '-glib'
appstream-glib 0.7.14-1
dbus-glib 0.110-1
devhelp 3.30.1-1
gdk-pixbuf2 2.38.0-1
geocode-glib 3.26.0-1
gtk-doc 1.29-1
gtk-engine-murrine 0.98.2-3
gtk-engines 2.21.0-3
gtk-sharp-2 2.12.45-1
gtk-update-icon-cache 3.24.1+8+g220f77d8c1-1
gtk-vnc 0.9.0-1
gtk-xfce-engine 2.10.1-2
gtk2 2.24.32-1
gtk2-perl 1.24992-2
gtk3 3.24.1+8+g220f77d8c1-1
gtkglext 1.2.0-11
gtkimageview 1.6.4-5
gtkmm 2.24.5-2
gtkmm3 3.24.0-1
gtksourceview2 2.10.5-4
gtksourceview3 3.24.9-2
gtksourceview4 4.0.3-1
gtkspell 2.0.16-7
gtkspell3 3.0.9-3
json-glib 1.4.4-1
lib32-gdk-pixbuf2 2.38.0-1
lib32-glib-networking 2.58.0-1
lib32-glib2 2.58.1-1
lib32-glibc 2.28-5
lib32-json-glib 1.4.4-1
libaccounts-glib 1.24-1
libdbusmenu-glib 16.04.0-2
libgit2-glib 0.27.7-1
libmm-glib 1.8.2-1
libnm-glib 1.14.5dev+17+gba83251bb-1
libpackagekit-glib 1.1.11-1
libvirt-glib 1.0.0-1
poppler-glib 0.71.0-1
telepathy-glib 0.24.1-2




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