@@ -4135,6 +4135,9 @@ left, and must not be followed immediately by a digit. Thus,
41354135you need to enclose text in literal `$` characters, backslash-escape
41364136them and they won't be treated as math delimiters.
41374137
4138+For display math, use `$$` delimiters. (In this case, the delimiters
4139+may be separated from the formula by whitespace.)
4140+
41384141TeX math will be printed in all output formats. How it is rendered
41394142depends on the output format:
41404143