[libxml++/libxml++-2-40] SaxParser docs: Describe exception handling

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 4b33a21bf0d881113c4ef92a3415a032559d80f8
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Tue Oct 27 16:15:30 2015 +0100

    SaxParser docs: Describe exception handling
    
    * libxml++/parsers/saxparser.h: Note in the class description that some
    exceptions are replaced by xmlpp::exception if std::exception_ptr is not
    supported. Bug #757042.

 libxml++/parsers/saxparser.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/libxml++/parsers/saxparser.h b/libxml++/parsers/saxparser.h
index 965ef03..1362ca3 100644
--- a/libxml++/parsers/saxparser.h
+++ b/libxml++/parsers/saxparser.h
@@ -25,6 +25,11 @@ namespace xmlpp {
 
 /** SAX XML parser.
  * Derive your own class and override the on_*() methods.
+ *
+ * In a system that does not support std::exception_ptr: If an overridden on_*()
+ * method throws an exception which is not derived from xmlpp::exception,
+ * that exception is replaced by a xmlpp::exception before it is propagated
+ * out of the parse method, such as parse_file().
  */
 class SaxParser : public Parser
 {