From c833511431875685e91e1d7abbb94205dc1f8b72 Mon Sep 17 00:00:00 2001
From: Jamie Hamel-Smith <jamie3d@gmail.com>
Date: Sat, 19 Jan 2013 20:22:26 -0800
Subject: [PATCH] Adding a fix for the inability to set the point line width to
 0. It's a bit of a hack, but it seems like an acceptable workaround.

---
 jquery.flot.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/jquery.flot.js b/jquery.flot.js
index 918352a..f8139fb 100644
--- a/jquery.flot.js
+++ b/jquery.flot.js
@@ -2092,6 +2092,15 @@ Licensed under the MIT license.
                 sw = series.shadowSize,
                 radius = series.points.radius,
                 symbol = series.points.symbol;
+
+            // If the user sets the line width to 0, we change it to a very 
+            // small value. A line width of 0 seems to force the default of 1.
+            // Doing the conditional here allows the shadow setting to still be 
+            // optional even with a lineWidth of 0.
+
+            if( lw == 0 )
+                lw = 0.0001;
+
             if (lw > 0 && sw > 0) {
                 // draw shadow in two steps
                 var w = sw / 2;