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Update Unicode Syntax.md

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José Valim
2017-12-12 09:40:35 +01:00
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parent b99306bb44
commit 29acf2ab09
1 changed files with 3 additions and 8 deletions
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lib/elixir/pages/Unicode Syntax.md
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@@ -4,17 +4,13 @@ Elixir supports Unicode throughout the language.
Quoted identifiers, such as strings (`"olá"`) and charlists (`'olá'`), support Unicode since Elixir v1.0. Strings are UTF-8 encoded. Charlists are lists of Unicode codepoints. In such cases, the contents are kept as written by developers, without any transformation.
Elixir also supports Unicode in identifiers since Elixir v1.5, as defined in the [Unicode Annex #31](http://unicode.org/reports/tr31/). This is the focus of this document.
Elixir also supports Unicode in identifiers since Elixir v1.5, as defined in the [Unicode Annex #31](http://unicode.org/reports/tr31/). The focus of this document is to describe how Elixir implements the requirements outlined in the Unicode Annex. These requirements are refered to as R1, R6 and so on.
## Version
The Unicode Annex specify a list of requirements that may or may not be implemented by programming languages. This document lists all of the requirements implemented by Elixir, refered as R1, R6 and so on.
To check the Unicode version of your current Elixir installation, please run `String.Unicode.version()`.
To check the Unicode version of your current Elixir installation, run `String.Unicode.version()`.
## R1. Default Identifiers
Elixir identifiers are identified as:
Elixir identifiers are specified as:
<Identifier> := <Start> <Continue>* <Ending>?
@@ -47,7 +43,6 @@ Variables in Elixir follow the identifier rule above with the following modifica
* `<Start>` includes the codepoint _ (005F)
* `<Start>` must not include Lu (letter uppercase) and Lt (letter titlecase) characters
* `<Continue>` includes Lu (letter uppercase) and Lt (letter titlecase) characters
## R3. Pattern_White_Space and Pattern_Syntax Characters