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-rw-r--r--Doc/lib/libaifc.tex7
1 files changed, 5 insertions, 2 deletions
diff --git a/Doc/lib/libaifc.tex b/Doc/lib/libaifc.tex
index 7b4e4c8..7e595ef 100644
--- a/Doc/lib/libaifc.tex
+++ b/Doc/lib/libaifc.tex
@@ -21,8 +21,11 @@ Module \code{aifc} defines the following function:
Open an AIFF or AIFF-C file and return an object instance with
methods that are described below. The argument file is either a
string naming a file or a file object. The mode is either the string
-'r' when the file must be opened for reading, or 'w' when the file
-must be opened for writing.
+\code{'r'} when the file must be opened for reading, or \code{'w'}
+when the file must be opened for writing. When used for writing, the
+file object should be seekable, unless you know ahead of time how many
+samples you are going to write in total and use
+\code{writeframesraw()} and \code{setnframes()}.
\end{funcdesc}
Objects returned by \code{aifc.open()} when a file is opened for