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-rw-r--r--boost/spirit/home/karma/auxiliary/lazy.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/spirit/home/karma/auxiliary/lazy.hpp b/boost/spirit/home/karma/auxiliary/lazy.hpp
index 32d55fa49a..49cdf12d81 100644
--- a/boost/spirit/home/karma/auxiliary/lazy.hpp
+++ b/boost/spirit/home/karma/auxiliary/lazy.hpp
@@ -59,7 +59,7 @@ namespace boost { namespace spirit { namespace karma
, typename Delimiter, typename Attribute>
bool lazy_generate_impl(Generator const& g, OutputIterator& sink
, Context& context, Delimiter const& delim
- , Attribute const& attr, mpl::true_)
+ , Attribute const& /* attr */, mpl::true_)
{
// If DeducedAuto is false (semantic actions is present), the
// component's attribute is unused.