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-rw-r--r--lib/kernel/doc/src/heart.xml9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml
index f5028a5559..3ec33d2f18 100644
--- a/lib/kernel/doc/src/heart.xml
+++ b/lib/kernel/doc/src/heart.xml
@@ -118,8 +118,13 @@
the system. The new Erlang runtime system will (if it
misbehaves) use the environment variable
<c>HEART_COMMAND</c> to reboot.</p>
- <p>Limitations: The length of the <c><anno>Cmd</anno></c> command string
- must be less than 2047 characters.</p>
+
+ <p>Limitations: The <c><anno>Cmd</anno></c> command string
+ will be sent to the heart program as a ISO-latin-1 or UTF-8
+ encoded binary depending on the file name encoding mode of the
+ emulator (see
+ <seealso marker="kernel:file#native_name_encoding/0"><c>file:native_name_encoding/0</c></seealso>).
+ The size of the encoded binary must be less than 2047 bytes.</p>
</desc>
</func>
<func>