Re: find-file sometimes doesn't

[Richard M. Stallman]

    Not completely. I tracked the problem down to find-file-name-handler
    setting buffer-file-name to nil (maybe that's enough info to remind
    someone of a change they made in the past couple of weeks).

Are you sure that buffer-file-name was set by find-file-name-handler?
I don't see anything in that function that could set anything.  It
just examines data and returns a value.  What evidence led you to
conclude that find-file-name-handler sets buffer-file-name?

Anyway, I asked Spiegel to look at this bug report.  But he seems
to be present on-and-off lately.  I can't be sure he will do so.