allow customizing hover line_(width|join|cap|dash) properties
@@ -27,7 +27,7 @@ base_properties = ['visible', 'muted']
line_properties = ['line_color', 'line_alpha', 'color', 'alpha', 'line_width',
'line_join', 'line_cap', 'line_dash']
-line_properties += ['_'.join([prefix, prop]) for prop in line_properties[:4]
+line_properties += ['_'.join([prefix, prop]) for prop in line_properties
for prefix in property_prefixes]
fill_properties = ['fill_color', 'fill_alpha']
