Explain why enabled CommonCommandOptions.enablePlatformSpecificOptions is unused.
RELNOTES: None.
@@ -52,6 +52,8 @@ public class CommonCommandOptions extends OptionsBase {
help = "No-op, being removed. See https://github.com/bazelbuild/bazel/issues/13892")
public Void allIncompatibleChanges;
+ // It's by design that this field is unused: this command line option takes effect by reading its
+ // value during options parsing based on its (string) name.
@Option(
name = "enable_platform_specific_config",
defaultValue = "false",
