[ipxe-devel] QR Code for Console Error URLs

[James Hanley]

This patch is only a proof of concept but links in QR encode and renders
the URLs for stderror.c to the console for a smartphone to scan for
additional context.

A few considerations:
  Additional Memory requirements
  License for the library
  Readability from non-console screens
  stability
  Dynamic memory requirements (malloc) for the library
  memory optimizations in the library - bit array instead of bytes?

I don't warent that this is production ready, but mearly trying to show
that this could provide additional value.

-Jim
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