GitLab

* src/xwidget.h (struct xwidget): Add script_callbacks.
* src/xwidget.c (save_script_callback): New function.
(Fxwidget_webkit_execute_script): Use it.  Encode script
before passing to execution engine.  Always use a callback.
(webkit_javascript_finished_cb): Deallocate script.
(kill_buffer_xwidgets): Deallocate remaining scripts.
(Fxwidget_webkit_zoom): Doc fix.
(Fxwidget_resize): Doc fix.