diff --git a/src/config.c b/src/config.c
index 53e882c..242fd49 100644
--- a/src/config.c
+++ b/src/config.c
@@ -882,6 +882,8 @@ Bool TY_(ParseConfigOption)( TidyDocImpl* doc, ctmbstr optnam, ctmbstr optval )
            recognizes it  */
         if (NULL != doc->pOptCallback)
             status = (*doc->pOptCallback)( optnam, optval );
+        if (NULL != doc->pConfigCallback )
+            status = status && (*doc->pConfigCallback)( tidyImplToDoc(doc), optnam, optval );
         if (!status)
             TY_(ReportUnknownOption)( doc, optnam );
     }
diff --git a/version.txt b/version.txt
index fcd9d48..bad155c 100644
--- a/version.txt
+++ b/version.txt
@@ -1,2 +1,2 @@
-5.5.58
-2017.10.05
+5.5.59
+2017.10.06