## Limitations

Unlike original "phantomjs" binary that is statically linked with modified
QT+WebKit, Debian package is built with system libqt5webkit5. Unfortunately
the latter do not have webSecurity extensions therefore "--web-security=no"
is expected to fail.

  https://github.com/ariya/phantomjs/issues/13727#issuecomment-155609276

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Ghostdriver is crippled due to removed source-less pre-built blobs:

  src/ghostdriver/third_party/webdriver-atoms/*

Therefore all PDF functionality is broken.

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PhantomJS cannot run in headless mode (if there is no X server available).

Unfortunately it can not be fixed in Debian. To achieve headless-ness
upstream statically link with customised QT + Webkit. We don't want to ship
forks of those projects. It would be great to eventually convince upstream
to use standard libraries.
Meanwhile one can use "xvfb-run" from "xvfb" package:

    xvfb-run --server-args="-screen 0 640x480x16" phantomjs