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Special Characters
Certain characters are used internally; normally you do not even see them. But they can appear in the output of a {dump} command and can sometimes be used to create very intricate macros. \| matches any number of spaces, tabs or newlines. It even matches zero, but only between words, as can occur with punctuation. For example, \| matches the spot between the last character of a word and a comma following it.
Matches any number of spaces, tabs or newlines
Matches exactly one space, tab or newline
Matches exactly zero spaces, tabs or newlines, but only between words
Last modified date: 06/10/2024