Write out a warning that neumic notation is not supported by MusicXML

pae2xml.pl

@@ -582,6 +582,9 @@ sub notehead {
 
 sub duration {
   my ($duration, $dots) = @_;
+  if ($duration.$dots eq "7.") {
+    print_error ("Neumic notation is not supported by MusicXML!");
+  }
 
   if ($duration.$dots ne "") {
     my %du=("1",4*$divisions,"2",2*$divisions,"4",$divisions,

sample_files/Durations-neumic.pae

+Test Composer
+Test case for neumic durations
+1.1.1: S neumic durations
+plain&easy: %G-2@c$ '4C7.D
+
+Test Library
+00000000
\ No newline at end of file