Mastering Windows PowerShell Scripting - Third Edition

Schema validation

XML documents that reference a schema can be validated.

.NET Core and schema validation .NET Core appears to be unwilling to expand include references in an XML schema. This apparent bug is exhibited in PowerShell Core. Windows PowerShell will produce schema validation errors; PowerShell Core will not at this time.

Windows PowerShell comes with a number of XML files with associated schema in the help files. For example, the help file for ISE is available:

PS> Get-Item C:\Windows\System32\WindowsPowerShell\v1.0\modules\ISE\en-US\ISE-help.xml 
 
    Directory: C:\Windows\System32\WindowsPowerShell\v1.0\modules\ISE\en-US 
 
Mode                LastWriteTime         Length Name                                                                 
----                -------------         ------ ----                                                                 
-a----         29/11/16     07:57          33969 ISE-help.xml

The schema ...