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-rw-r--r--lib/inets/doc/src/mod_esi.xml6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/inets/doc/src/mod_esi.xml b/lib/inets/doc/src/mod_esi.xml
index 3c473d3f94..e063088eb4 100644
--- a/lib/inets/doc/src/mod_esi.xml
+++ b/lib/inets/doc/src/mod_esi.xml
@@ -41,7 +41,7 @@
<fsummary>Sends Data back to client.</fsummary>
<type>
<v>SessionID = term()</v>
- <v>Data = string() | io_list()</v>
+ <v>Data = string() | io_list() | binary()</v>
<v>Reason = term()</v>
</type>
<desc>
@@ -54,7 +54,9 @@
<note><p>Note
that if any HTTP-header fields should be added by the
script they must be in the first call to deliver/2 and the
- data in the call must be a string. Do not
+ data in the call must be a string. Calls after the headers
+ are complete may contain binary data to reduce copying
+ overhead. Do not
assume anything about the data type of SessionID, the
SessionID must be the value given as input to the esi
call back function that you implemented.</p></note>