provide padding for inside tick labels when not asked for

Author: archmoj

src/plots/cartesian/autorange.js

@@ -221,14 +221,18 @@ function makePadFn(ax, max) {
     extrappad = adjustPadForInsideLabelsOnAnchorAxis(extrappad, ax, max);
     extrappad = adjustPadForInsideLabelsOnThisAxis(extrappad, ax, max);
 
+    var pad0 = 0;
+    pad0 = adjustPadForInsideLabelsOnAnchorAxis(pad0, ax, max);
+    pad0 = adjustPadForInsideLabelsOnThisAxis(pad0, ax, max);
+
     // domain-constrained axes: base extrappad on the unconstrained
     // domain so it's consistent as the domain changes
     if((ax.constrain === 'domain') && ax._inputDomain) {
         extrappad *= (ax._inputDomain[1] - ax._inputDomain[0]) /
             (ax.domain[1] - ax.domain[0]);
     }
 
-    return function getPad(pt) { return pt.pad + (pt.extrapad ? extrappad : 0); };
+    return function getPad(pt) { return pt.pad + (pt.extrapad ? extrappad : pad0); };
 }
 
 var TEXTPAD = 3;