From 66d3c6c7e8859e08397838863547b00d65be062b Mon Sep 17 00:00:00 2001
From: Peli de Halleux <jhalleux@microsoft.com>
Date: Thu, 8 Dec 2016 08:28:28 -0800
Subject: [PATCH] fix for https://github.com/Microsoft/pxt/issues/549

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 docs/reference/serial/read-until.md | 28 ++++++++++++++++++++++++++++
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+# Serial Read Until
+
+Read a text from the serial port until a delimiter is found.
+
+```sig
+serial.readUntil(",");
+```
+
+### Returns
+
+* a [string](/reference/types/string) containing input from the serial port, such as a response typed by a user
+
+### Example
+
+The following example reads strings separated by commands (``,``).
+
+```blocks
+basic.forever(() => {
+    let answer = serial.readUntil(",");
+    serial.writeLine(answer);
+});
+```
+
+### See also
+
+[serial](/device/serial),
+[serial write line](/reference/serial/write-line),
+[serial write value](/reference/serial/write-value)