The plugins expect an image surface but the target of the print context might
not be one.

The scroll-wrap option used to only change the behavior of 'J' and 'K'
(i.e.  moving one page forward/backward).

Now, if scroll-wrap is true and the top of the first page is shown,
pressing 'k' will show the bottom of the last page; conversely, when at
the bottom of the last page, pressing 'j' will show the top of the first
page.
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

When set to true, it used to _not_ wrap around the begining/end. Now it
wraps if set to true, and it doesn't if set to false.
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

Both in the documentation and in function names, "synctex" was sometimes
spelled "syntex" or "syntec".
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

No matter what the value of n was, the "n=" shortcut would set the zoom
value to 100%. It is now set to n% instead.

See issue #273 <http://bugs.pwmt.org/issue273>.
Reported-by: Kamil Smardzewski <roderyk197@gmail.com>
Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

Thanks to Jean-Pierre Demailly for the patch.

Thanks to Alvaro Ramiro.

Conflicts:
	config.c

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

This is a temporary workaround because of issues in the poppler plugin. We
really need to introduce locking in the poppler plugin and remove the render
locks agains.

Closes: #253

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>