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Add a link to the definition of Pattern_White_Space. #824

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Jun 10, 2020
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Add a link to the definition of Pattern_White_Space. #824

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4 changes: 3 additions & 1 deletion src/whitespace.md
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@@ -1,7 +1,7 @@
# Whitespace

Whitespace is any non-empty string containing only characters that have the
`Pattern_White_Space` Unicode property, namely:
[`Pattern_White_Space`] Unicode property, namely:

- `U+0009` (horizontal tab, `'\t'`)
- `U+000A` (line feed, `'\n'`)
Expand All @@ -20,3 +20,5 @@ to separate _tokens_ in the grammar, and have no semantic significance.

A Rust program has identical meaning if each whitespace element is replaced
with any other legal whitespace element, such as a single space character.

[`Pattern_White_Space`]: https://www.unicode.org/reports/tr31/