Google Chrome 54.0.2840.100 (Official Build) (64-bit)
Revision ed651c97177b2ac846b27f62bb8efed6dac0f90b-refs/branch-heads/2840@{#833}
OS Linux
JavaScript V8 5.4.500.41
Flash 23.0.0.207
User Agent Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.100 Safari/537.36
Command Line /usr/bin/google-chrome-stable --wm-user-time-ms=258160 --flag-switches-begin --flag-switches-end --disable_transparent_visuals --window-depth=24 --x11-visual-id=32
Doubleclick on text of any expandable box in the FAQ.
Actual
The box starts expanding -> collapsing -> expanding -> ... until clicked once again.
Expected
The state of the box must transit only once.