Special commands in the headers

Headers and footers may contain special commands. There are two special controls:

- ^9 : movement command that aligns the next text on the right;

- ^10 : Interrupt command that brings the next text to a new line.

Some examples:

- %BP^9%PP : Prints the Braille page number to the left and the Ink page number to the right;

- Braille page^9%BP^10Ink page^9%PP : prints a two-line header, in which the first line contains the text "Braille page" with the relative value on the right, while the second line contains the text "Ink page" with the relative value on the right.