Fixes #4415 - clarify wildcards for -Filter (#4561)

Author: sdwheeler

reference/3.0/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -570,12 +570,11 @@ Accept wildcard characters: True
 
 ### -Filter
 
-Specifies a filter in the format or language of the provider. The value of this parameter qualifies
-the **Path** parameter.
-
-The syntax of the filter, including the use of wildcard characters, depends on the provider. Filters
-are more efficient than other parameters, because the provider applies them when the cmdlet gets the
-objects. Otherwise, PowerShell filters the objects after they are retrieved.
+Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String
@@ -586,7 +585,7 @@ Required: False
 Position: 1
 Default value: None
 Accept pipeline input: False
-Accept wildcard characters: False
+Accept wildcard characters: True
 ```
 
 ### -Include

reference/4.0/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -483,12 +483,11 @@ Accept wildcard characters: False
 
 ### -Filter
 
-Specifies a filter in the format or language of the provider. The value of this parameter qualifies
-the **Path** parameter.
-
-The syntax of the filter, including the use of wildcard characters, depends on the provider. Filters
-are more efficient than other parameters, because the provider applies them when the cmdlet gets the
-objects. Otherwise, PowerShell filters the objects after they are retrieved.
+Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String

reference/5.0/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -509,12 +509,11 @@ Accept wildcard characters: False
 
 ### -Filter
 
-Specifies a filter in the format or language of the provider. The value of this parameter qualifies
-the **Path** parameter.
-
-The syntax of the filter, including the use of wildcard characters, depends on the provider. Filters
-are more efficient than other parameters, because the provider applies them when the cmdlet gets the
-objects. Otherwise, PowerShell filters the objects after they are retrieved.
+Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String
@@ -525,7 +524,7 @@ Required: False
 Position: 1
 Default value: None
 Accept pipeline input: False
-Accept wildcard characters: False
+Accept wildcard characters: True
 ```
 
 ### -Force

reference/5.1/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -511,12 +511,11 @@ Accept wildcard characters: False
 
 ### -Filter
 
-Specifies a filter in the format or language of the provider. The value of this parameter qualifies
-the **Path** parameter.
-
-The syntax of the filter, including the use of wildcard characters, depends on the provider. Filters
-are more efficient than other parameters, because the provider applies them when the cmdlet gets the
-objects. Otherwise, PowerShell filters the objects after they are retrieved.
+Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String

reference/6/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -501,10 +501,10 @@ Accept wildcard characters: False
 ### -Filter
 
 Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
-provider is the only installed PowerShell provider that supports the use of filters. You can find
-the syntax for the **FileSystem** filter language in [about_Wildcards](../Microsoft.PowerShell.Core/About/about_Wildcards.md).
-Filters are more efficient than other parameters, because the provider applies them when the cmdlet
-gets the objects rather than having PowerShell filter the objects after they are retrieved.
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String

reference/7/Microsoft.PowerShell.Management/Get-ChildItem.md

@@ -501,10 +501,10 @@ Accept wildcard characters: False
 ### -Filter
 
 Specifies a filter to qualify the **Path** parameter. The [FileSystem](../Microsoft.PowerShell.Core/About/about_FileSystem_Provider.md)
-provider is the only installed PowerShell provider that supports the use of filters. You can find
-the syntax for the **FileSystem** filter language in [about_Wildcards](../Microsoft.PowerShell.Core/About/about_Wildcards.md).
-Filters are more efficient than other parameters, because the provider applies them when the cmdlet
-gets the objects rather than having PowerShell filter the objects after they are retrieved.
+provider is the only installed PowerShell provider that supports the use of filters. Filters are
+more efficient than other parameters, because the provider applies them when the cmdlet gets the
+objects rather than having PowerShell filter the objects after they are retrieved. The filter string
+is passed to the .NET API to enumerate files. That API only supports `*` and `?` wildcards.
 
 ```yaml
 Type: String