Fix "hexademical" typos in Char hex digit method docs

[Copilot]

Corrects a recurring misspelling of "hexadecimal" as "hexademical" in the XML documentation for three System.Char static methods.

Changes

• xml/System/Char.xml — Fixed 5 instances of "hexademical" → "hexadecimal" across the <summary> and <returns> elements for:
  • IsAsciiHexDigit
  • IsAsciiHexDigitLower
  • IsAsciiHexDigitUpper

Original prompt

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This section details on the original issue you should resolve

<issue_title>Typos in char Hexadecimal static method docs</issue_title>
<issue_description>### Type of issue

Typo

Description

Several pages in the Microsoft learn docs for char static methods have typos relating to the word hexadecimal and are spelled as hexademical.

The relevant pages are:
https://learn.microsoft.com/en-us/dotnet/api/system.char.isasciihexdigitupper
https://learn.microsoft.com/en-us/dotnet/api/system.char.isasciihexdigitlower
https://learn.microsoft.com/en-us/dotnet/api/system.char.isasciihexdigit

Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.char.isasciihexdigitupper?view=net-11.0

Content source URL

https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System/Char.xml

Document Version Independent Id

0f652c74-50e1-313c-e9eb-48114eb1cfc6

Platform Id

270b9623-b7ba-2259-edf7-9d20b9973da7

Article author

@dotnet-bot</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Typos in char Hexadecimal static method docs #12363

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[Copilot]

Pull request overview

Fixes a recurring typo in the API reference XML documentation for System.Char ASCII hex digit helper methods, aligning the public docs with correct terminology.

Changes:

• Replaces “hexademical” with “hexadecimal” in <summary> and <returns> text for IsAsciiHexDigit, IsAsciiHexDigitLower, and IsAsciiHexDigitUpper.

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