1 files changed, 4 insertions, 0 deletions
diff --git a/src/parser/document_p.h b/src/parser/document_p.h
index fc6530e..d2a7c44 100644
--- a/src/parser/document_p.h
+++ b/src/parser/document_p.h
@@ -15,8 +15,12 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 #ifndef _MPPDOWN_DOCUMENT_P
 #define _MPPDOWN_DOCUMENT_P
+#include <boost/spirit/include/qi.hpp>
 #include "text_p.h"
 
+namespace qi = boost::spirit::qi;
+namespace ph = boost::phoenix;
+
 struct document_p : qi::grammar<iiterator, document_t()> {
     qi::rule<iiterator, document_t()> document_;
     text_p text_;