Tarball problem: Non-ASCII character is mangled

[pygy]

This Flems has the × sign embeded in a string (as a plain character, not as an escape sequence). It is mangled when downloaded with Firefox, Safari and Chrome.

[porsager]

Ah, that appears to be an issue with my tarts module

repro: https://flems.io/#0=N4IgZglgNgpgziAXAbVAOwIYFsZJAOgAsAXLKEAGhAGMB7NYmBvEAXwvW10QICsEqdBk2J4IWAA60ATsQAExDLLhyw02ljkByRcq0AdNIaFx5uuQF4FS4nAAUqQ3LmYcibY1P5iAD2JaKJzkhRgZ3LQB1gzRWAF0ASkNjelM5DEs5ABNaagBXHAZ8amkYDEYAUVgC4jstDC1EzCISsAyAVQAlABkikrKYAHkAI14YamJOrrs0GAB3OQAhKFohh11YijlgBQBPCRhwjAkJKAhqMoh6AHpdLTlWeMaMfGzZtGWMTIytSFhXGG8Smiz0YfgAwvRQvIrFpXu9aJ9otk8tV8ENaJkdvgjvs0JkwYRoJk7Bh4pQaBoJNAYNI8EMMEMYOQqHAmWNiJc0AgeABmRAARgA7GwOCB-nginABBThMweGxYqwgA