Bug#1931: "less" doesn't work on /proc files

[bruce@Pixar.com (Bruce Perens)]

Package: less

I'm redirecting this to debian-bugs.

Note that "ls" lists the length of /proc/filesystems
as "0", but read() will get more than 0 data. Less doesn't know that
/proc files are special in this way, and treats them as a 0-length file.

You could argue that this is a bug in the semantics of the proc filesystem.
For now, I think we should fix "less" to not abandon any attempt to read a
file when stat() says it's 0-length.

	Thanks

	Bruce
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