doc: use consistent typography in streams.md

In prose, always surround `null`-as-a-value in backticks.

PR-URL: https://github.com/nodejs/node/pull/6986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Robert Jefe Lindstaedt <robert.lindstaedt@gmail.com>
This commit is contained in:
Rich Trott 2016-06-06 16:31:49 -07:00
parent cc2a88a2f3
commit a78c2335b1

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@ -1856,7 +1856,7 @@ pre-v0.10 style streams can be wrapped in a Readable class using the
There are some cases where it is necessary to trigger a refresh of the
underlying readable stream mechanisms, without actually consuming any
data. In such cases, it is possible to call `readable.read(0)`, which will
always return null.
always return `null`.
If the internal read buffer is below the `highWaterMark`, and the
stream is not currently reading, then calling `stream.read(0)` will trigger