HP PCL/PJL reference - PCL 5 Comparison Guide

ENWW iii
Manual Conventions
This manual uses the following conventions:
Bold indicates a term defined in the glossary.
Italic refers to a related document, or is used for emphasis.
The cursive letter l is used in some examples to distinguish
the letter “l” from the numeral “1” (one).
A slash zero 0 is used in some examples and escape
sequences to distinguish the letter “O” from the number “0”.
0x XX represents a hexadecimal number (XX).
The
~ character indicates that the current line of code is a
continuation of the previous line.
Note Notes contain important information set off from the text.