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-rw-r--r--converter/other/svgtopam.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/converter/other/svgtopam.c b/converter/other/svgtopam.c
index 268515ad..896c5f03 100644
--- a/converter/other/svgtopam.c
+++ b/converter/other/svgtopam.c
@@ -13,6 +13,17 @@
   By Bryan Henderson, San Jose, California.  May 2006
 
   Contributed to the public domain.
+
+==============================================================================
+
+  Implementation notes:
+
+   We've seen a version of <libxml/xmlreader.h> that does not
+   define type 'xmlReaderTypes'.  The system claimed to have
+   Libxml2 2.6.16 installed, but another system that makes that
+   claim _does_ have 'xmlReaderTypes' defined, so I don't know what
+   version actually has the problem.
+
 ============================================================================*/
 
 #include <assert.h>
@@ -561,6 +572,8 @@ static void
 processSubPathNode(xmlTextReaderPtr const xmlReaderP,
                    bool *           const endOfPathP) {
 
+    /* See comment above about xmlReaderTypes not being defined */
+
     xmlReaderTypes const nodeType  = xmlTextReaderNodeType(xmlReaderP);
 
     *endOfPathP = FALSE;  /* initial assumption */