Jay

There's always something.... Just discover that this won't work if the svg is within an iframe because the scale of the svg is relative of the frame that encloses it....

I dig into the code a bit, and perhaps in [line 151](https://github.com/ianstormtaylor/superstruct/blob/v0.15.3/src/utils.ts#L151) of `utils.ts` ``` 129 const ctx: Context = { path, branch } ... 151 for (const failure of...