= Paragraph formatting =
Mark IV extends the <cmd>definefontfeature
</cmd> to make full use of the lua opentype engine by adding
'''mode=node''', and various opentype tags features that you want on or off. In the distribution, there is only one case of this:
This means there are two things you have to watch out for:
# You should load the MP packages you need in <cmd>startMPinclusions
</cmd>..<cmd>stopMPinclusions </cmd>; not inside a graphic.
# You have to make sure that you do not re-state equations that were already solved in a previous graphic.
These are in fact the exact same rules that you have to adhere to in MkII if <cmd>runMPgraphicsfalse
</cmd> is active.
= Logos =
The logo commands (<cmd>definelogo
</cmd> c.s.) do not exist in MkIV; use layers instead.
= Itemizations =
</cmd> paragraphs (without enclosing list) are not allowed.
= Nomarking/Select =
</cmd> is currently broken and will likely be removed from MkIV; use <cmd>select </cmd> instead:
There was a change in the default path search for external figures, but I don't know the exact details off-hand.
IIRC, the main problem is that texmf tree images are now found before local images. To change this ordering,
use the <tt>location</tt> key to <cmd>setupexternalfigures