[Bug 60594] New: RFC 7230/3986 url requirement that prevents unencoded curly braces should be optional, since it breaks existing sites
Learn about PHP variables and the string and number data types.
mathematics is a markup language for mathematical characters. For example, you can make characters superscript by enclosing the characters in curly braces preceded by ̂. In to use Greek letters you use a backslash before the name of the letter, and other usually obvious characters. We will use , extensively to annotate figures throughout the work.
It's just part of Markdown - Markdown provides backslash escapes for the following characters: \ backslash ` backtick * asterisk _ underscore {} curly braces [] square brackets () parentheses # hash mark + plus sign - minus sign (hyphen) . dot ! exclamation mark
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