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-rw-r--r--expat/doc/reference.html3
1 files changed, 2 insertions, 1 deletions
diff --git a/expat/doc/reference.html b/expat/doc/reference.html
index 309cb241..e4790eac 100644
--- a/expat/doc/reference.html
+++ b/expat/doc/reference.html
@@ -1115,7 +1115,8 @@ XML_GetBuffer(XML_Parser p,
<div class="fcndef">
Obtain a buffer of size <code>len</code> to read a piece of the document
into. A NULL value is returned if Expat can't allocate enough memory for
-this buffer. This has to be called prior to every call to
+this buffer. A NULL value may also be returned if <code>len</code> is zero.
+This has to be called prior to every call to
<code><a href= "#XML_ParseBuffer" >XML_ParseBuffer</a></code>. A
typical use would look like this: