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-rw-r--r--doc/ref/api-io.texi10
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/ref/api-io.texi b/doc/ref/api-io.texi
index 777f282e9..2345f043c 100644
--- a/doc/ref/api-io.texi
+++ b/doc/ref/api-io.texi
@@ -755,8 +755,10 @@ a specified set of characters.
@deffn {Scheme Procedure} read-line [port] [handle-delim]
Return a line of text from @var{port} if specified, otherwise from the
-value returned by @code{(current-input-port)}. Under Unix, a line of text
-is terminated by the first end-of-line character or by end-of-file.
+value returned by @code{(current-input-port)}. Under Unix, a line of
+text is terminated by the first end-of-line character or by end-of-file.
+The end-of-line characters handled are newline, carriage return plus
+newline, or the Unicode line or paragraph separators.
If @var{handle-delim} is specified, it should be one of the following
symbols:
@@ -771,7 +773,9 @@ Append the terminating delimiter (if any) to the returned string.
Push the terminating delimiter (if any) back on to the port.
@item split
Return a pair containing the string read from the port and the
-terminating delimiter or end-of-file object.
+terminating delimiter or end-of-file object. The delimiter will either
+be a single character for newline or the Unicode line or paragraph
+separators, or it will be the string @code{"\r\n"}.
@end table
@end deffn