There are a lot of stati where it's not good to have those bottons en-
abled. So check it on every bodies load, change, click or keyup.

Signed-off-by: Conrad Zelck <git@simpel.cc>

This is default. As the textarea had to get always an outline with 1px
to look like the rest it must be set thicker back to default focus
outline.

Signed-off-by: Conrad Zelck <git@simpel.cc>

As the busy dialog most of the time is very short a backdrop tends the
whole page to flicker. To avoid that let it original w/o backdrop.

Signed-off-by: Conrad Zelck <git@simpel.cc>

Signed-off-by: Conrad Zelck <git@simpel.cc>

Signed-off-by: Conrad Zelck <git@simpel.cc>

Signed-off-by: Conrad Zelck <git@simpel.cc>

Signed-off-by: Conrad Zelck <git@simpel.cc>

Switch debug mode on with a file called "DEBUG".

Signed-off-by: Conrad Zelck <git@simpel.cc>

As this will be often the chosen type of disabling the debug mode.

Signed-off-by: Conrad Zelck <git@simpel.cc>

The path to pandoc must be set as it's not sure that a path will exist.
I did this with a temporary PATH environment variable.

Beside I wrote some more comments for the code.

Signed-off-by: Conrad Zelck <git@simpel.cc>

Otherwise there would be a much greater gap between header and main.
Header normally is styled by icluded style via head.php. This has the
correct margin. The padding-top from this local style.css did two gaps
together.

Signed-off-by: Conrad Zelck <git@simpel.cc>

Signed-off-by: Conrad Zelck <git@simpel.cc>

A working website w/o file in- or output.

Signed-off-by: Conrad Zelck <git@simpel.cc>