Whitespace in property names not issuing error #12352
Description
Issue Description
It seems like changes in #5672 were reverted. Using $( FOO ) in condition no longer raises an error.
Steps to Reproduce
$ cat > foo.proj <<EOF
<Project>
<PropertyGroup>
<Foo>test</Foo>
</PropertyGroup>
<Target Name="Build">
<Message Text="Foo: '\$(Foo)' and with whitespace: '\$( Foo )'" Importance="High" />
</Target>
</Project>
EOF
$ dotnet build foo.proj -v:d
Restore complete (0,0s)
foo succeeded (0,0s)
Foo: 'test' and with whitespace: ''Expected Behavior
Expected error MSB4259: Unexpected space at position "{1}" of condition "{0}". Did you forget to remove a space?.
Actual Behavior
There was no error.
Analysis
No response
Versions & Configurations
$ dotnet --info
.NET SDK:
Version: 10.0.100-rc.1.25414.111
Commit: f8a57b66e6
Workload version: 10.0.100-manifests.2f8afce5
MSBuild version: 17.15.0-preview-25414-111+f8a57b66e
Runtime Environment:
OS Name: Mac OS X
OS Version: 15.6
OS Platform: Darwin
RID: osx-arm64
Base Path: /Users/adeel/.dotnet10/sdk/10.0.100-rc.1.25414.111/