- added the file extension .ncd to the Excellon file extension list

- solved parsing issue for Excellon files generated by older Eagle versions (v6.x)

FlatCAMApp.py

@@ -1905,7 +1905,7 @@ class App(QtCore.QObject):
                          'dim', 'mil', 'grb', 'top', 'bot', 'smt', 'smb', 'sst', 'ssb', 'spt', 'spb', 'pho', 'gdo',
                          'art', 'gbd', 'gb0', 'gb1', 'gb2', 'gb3', 'g4', 'gb5', 'gb6', 'gb7', 'gb8', 'gb9'
                          ]
-        self.exc_list = ['drl', 'txt', 'xln', 'drd', 'tap', 'exc']
+        self.exc_list = ['drl', 'txt', 'xln', 'drd', 'tap', 'exc', 'ncd']
         self.gcode_list = ['nc', 'ncc', 'tap', 'gcode', 'cnc', 'ecs', 'fnc', 'dnc', 'ncg', 'gc', 'fan', 'fgc', 'din',
                       'xpi', 'hnc', 'h', 'i', 'ncp', 'min', 'gcd', 'rol', 'mpr', 'ply', 'out', 'eia', 'plt', 'sbp',
                       'mpf']
@@ -5945,7 +5945,7 @@ class App(QtCore.QObject):
         self.report_usage("on_fileopenexcellon")
         App.log.debug("on_fileopenexcellon()")
 
-        _filter_ = "Excellon Files (*.drl *.txt *.xln *.drd *.tap *.exc);;" \
+        _filter_ = "Excellon Files (*.drl *.txt *.xln *.drd *.tap *.exc *.ncd);;" \
                    "All Files (*.*)"
 
         try:

README.md

@@ -9,6 +9,11 @@ CAD program, and create G-Code for Isolation routing.
 
 =================================================
 
+21.05.2019
+
+- added the file extension .ncd to the Excellon file extension list
+- solved parsing issue for Excellon files generated by older Eagle versions (v6.x)
+
 20.05.2019
 
 - more PEP8 changes in Gerber editor

camlib.py

@@ -3878,6 +3878,7 @@ class Excellon(Geometry):
                 # Header Begin (M48) #
                 if self.hbegin_re.search(eline):
                     in_header = True
+                    headerless = False
                     log.warning("Found start of the header: %s" % eline)
                     continue