Error in Wiring Diagram M-Body Hazard switch?

I might be missing something, but I'm somehow a little lost.

My 79 LeBaron with tilt steering wheel acts like it should (according to the service manual):
-> Hazard Switch on -> all lights flash (correct)
-> additionally apply brake -> all lights ON (correct for tilt steering according to service manual - continuing flashing lights for non-tilts).

So far, so good.

Now, here in Germany, we have a "technical requirement", that the flasher must continue to flash, even if you apply the brake...

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Author: 69-