TagSpec.requires_extension will be set to the new extension's name on one or more TagSpecs that require that extension. This typically creates 2 validation requirements: 1) If a tag is on the page whose TagSpec has the requires_extension field set, but that extension is not present, this is an error
| 385 | // not trigger warnings or errors. |
| 386 | // NEXT AVAILABLE TAG: 4 |
| 387 | type ExtensionSpec_ExtensionUsageRequirement int32 |
| 388 | |
| 389 | const ( |
| 390 | ExtensionSpec_ERROR ExtensionSpec_ExtensionUsageRequirement = 1 |