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-rw-r--r--ext/stringio/README18
-rw-r--r--ext/stringio/README.md10
2 files changed, 10 insertions, 18 deletions
diff --git a/ext/stringio/README b/ext/stringio/README
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--- a/ext/stringio/README
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--*- rd -*-
-$Author$
-
-=begin
-
-= StringIO
-Pseudo (({IO})) class from/to (({String})).
-
-This library is based on MoonWolf version written in Ruby. Thanks a lot.
-
-= Differences to (({IO}))
-
-* not implemented: (({fcntl})), (({reopen})).
-* (({fileno})) returns nil.
-* (({pos=})) returns new position, not 0.
-* (({ungetc})) does nothing at start of the string.
-
-=end
diff --git a/ext/stringio/README.md b/ext/stringio/README.md
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+# StringIO
+
+Pseudo `IO` class from/to `String`.
+
+This library is based on MoonWolf version written in Ruby. Thanks a lot.
+
+## Differences to `IO`
+
+* `fileno` raises `NotImplementedError`.
+* encoding conversion is not implemented, and ignored silently.