- pipes 'Text' in IO, with caveats described below. The main points are as in
- <https://hackage.haskell.org/package/pipes-bytestring-1.0.0/docs/Pipes-ByteString.html @Pipes.ByteString@>
+ pipes 'Text' in @IO@, namely, 'readFile', 'writeFile', 'fromHandle', 'toHandle',
+ 'stdin' and 'stdout'. Some caveats described below.
+
+ The main points are as in
+ <https://hackage.haskell.org/package/pipes-bytestring-1.0.0/docs/Pipes-ByteString.html Pipes.ByteString>:
+
+ A 'Handle' can be associated with a 'Producer' or 'Consumer' according
+ as it is read or written to.