tmp/tmpcxjqu889/{from.md → to.md}
RENAMED
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@@ -32,21 +32,24 @@ digit: one of
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'0 1 2 3 4 5 6 7 8 9'
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```
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[*Note 1*:
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-
The character properties XID_Start and XID_Continue are
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-
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— *end note*]
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The program is ill-formed if an *identifier* does not conform to
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Normalization Form C as specified in the Unicode Standard.
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[*Note 2*: Identifiers are case-sensitive. — *end note*]
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-
[*Note 3*:
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*preprocessing-token*s [[lex.pptoken]] differentiated as keywords
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[[lex.key]] in the later translation phase 7
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[[lex.token]]. — *end note*]
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The identifiers in [[lex.name.special]] have a special meaning when
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@@ -59,10 +62,11 @@ interpret the token as a regular *identifier*.
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In addition, some identifiers appearing as a *token* or
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*preprocessing-token* are reserved for use by C++ implementations and
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shall not be used otherwise; no diagnostic is required.
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- Each identifier that contains a double underscore `__` or begins with
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-
an underscore followed by an uppercase letter
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-
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- Each identifier that begins with an underscore is reserved to the
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implementation for use as a name in the global namespace.
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'0 1 2 3 4 5 6 7 8 9'
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```
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[*Note 1*:
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+
The character properties XID_Start and XID_Continue are described by UAX
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\#44 of the Unicode Standard.[^7]
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— *end note*]
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The program is ill-formed if an *identifier* does not conform to
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Normalization Form C as specified in the Unicode Standard.
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[*Note 2*: Identifiers are case-sensitive. — *end note*]
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+
[*Note 3*: [[uaxid]] compares the requirements of UAX \#31 of the
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Unicode Standard with the C++ rules for identifiers. — *end note*]
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+
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[*Note 4*: In translation phase 4, *identifier* also includes those
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*preprocessing-token*s [[lex.pptoken]] differentiated as keywords
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[[lex.key]] in the later translation phase 7
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[[lex.token]]. — *end note*]
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The identifiers in [[lex.name.special]] have a special meaning when
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In addition, some identifiers appearing as a *token* or
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*preprocessing-token* are reserved for use by C++ implementations and
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shall not be used otherwise; no diagnostic is required.
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- Each identifier that contains a double underscore `__` or begins with
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+
an underscore followed by an uppercase letter, other than those
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specified in this document (for example, `__cplusplus`
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[[cpp.predefined]]), is reserved to the implementation for any use.
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- Each identifier that begins with an underscore is reserved to the
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implementation for use as a name in the global namespace.
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