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auto merge of #11837 : xales/rust/doc-fixes, r=cmr,huonw,alexcrichton

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bors 2014-01-28 00:41:30 -08:00
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doc/guide-runtime.md
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@ -176,7 +176,7 @@ implemented in user-space.
The primary concern of an M:N runtime is that a Rust task cannot block itself in
a syscall. If this happens, then the entire OS thread is frozen and unavailable
for running more Rust tasks, making this a (M-1):N runtime (and you can see how
this can reach 0/deadlock. By using asynchronous I/O under the hood (all I/O
this can reach 0/deadlock). By using asynchronous I/O under the hood (all I/O
still looks synchronous in terms of code), OS threads are never blocked until
the appropriate time comes.