[dia] svg: improve stroke-dasharray import with odd number of values

[Hans Breuer <hans src gnome org>]

commit ab97346a112b7c90bdf549f616ba7f417e0281e5
Author: Hans Breuer <hans breuer org>
Date:   Wed Jan 1 12:45:49 2014 +0100

    svg: improve stroke-dasharray import with odd number of values

 lib/dia_svg.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/lib/dia_svg.c b/lib/dia_svg.c
index 6766557..e7e51e3 100644
--- a/lib/dia_svg.c
+++ b/lib/dia_svg.c
@@ -456,10 +456,13 @@ _parse_dasharray (DiaSvgStyle *s, real user_scale, gchar *str, gchar **end)
     case 4 :
       s->linestyle = LINESTYLE_DASH_DOT;
       break;
-    case 6 : s->linestyle = LINESTYLE_DASH_DOT_DOT;
-      break;
     default :
-      s->linestyle = LINESTYLE_DOTTED; /* not correct */
+      /* If an odd number of values is provided, then the list of values is repeated to
+       * yield an even number of values. Thus, stroke-dasharray: 5,3,2 is equivalent to
+       * stroke-dasharray: 5,3,2,5,3,2.
+       */
+    case 6 :
+      s->linestyle = LINESTYLE_DASH_DOT_DOT;
       break;
   }
   g_strfreev (dashes);