# Adjust image size (in terms of margins around)
margins ... params like expand
+
+cropmarks
+ style=box # Box around image
+ style=cross # Crosses in the corners
+ style=halfcross # Half-crosses in the corners (default)
+ pen=1pt # Line width
+ len=5mm # Cross arm length
+ dist=5mm # Distance from border
+
+book
+ signature=<n>
+
+# Crop to image box
+crop
+ bleed=5mm # Allow bleeding over the image box
+
+duplex
+ long-edge
+
+merge
+
+modulo
+ half
+
+# Add an empty page after the current one
+add-blank
+
+# Set either:
+# - paper size + margins
+# - scale + margins
+nup(hnum, vnum)
+ paper / w / h # Specify paper size, default=copy from 1st image
+ + fit options (*margin, pos)
+ crop # Crop to image
+ rotate=1 # Override rotation decision
+ scale=1 # Override scaling factor
+ tile # Tile with copies of a single page
+ hspace / vspace / space # Distance between tiles
+ + cropmarks?