Merge branch 'master' into xlog

Conflicts:
	dygraph-layout.js

diff --cc dygraph-interaction-model.js
index 56491e1,75ee78f..c97b060
--- 1/dygraph-interaction-model.js
--- 2/dygraph-interaction-model.js
+++ b/dygraph-interaction-model.js
@@@ -38,18 -38,12 +38,18 @@@ Dygraph.Interaction.startPan = function
    var i, axis;
    context.isPanning = true;
    var xRange = g.xAxisRange();
 -  context.dateRange = xRange[1] - xRange[0];
 -  context.initialLeftmostDate = xRange[0];
 +
 +  if (g.getOptionForAxis("logscale", 'x')) {
 +    context.initialLeftmostDate = Dygraph.log10(xRange[0]);
 +    context.dateRange = Dygraph.log10(xRange[1]) - Dygraph.log10(xRange[0]);
 +  } else {
 +    context.initialLeftmostDate = xRange[0];    
 +    context.dateRange = xRange[1] - xRange[0];
 +  }
    context.xUnitsPerPixel = context.dateRange / (g.plotter_.area.w - 1);
  
-   if (g.attr_("panEdgeFraction")) {
-     var maxXPixelsToDraw = g.width_ * g.attr_("panEdgeFraction");
+   if (g.getNumericOption("panEdgeFraction")) {
+     var maxXPixelsToDraw = g.width_ * g.getNumericOption("panEdgeFraction");
      var xExtremes = g.xAxisExtremes(); // I REALLY WANT TO CALL THIS xTremes!
  
      var boundedLeftX = g.toDomXCoord(xExtremes[0]) - maxXPixelsToDraw;

diff --cc dygraph-layout.js
index 2e81359,4caa935..20e8481
--- 1/dygraph-layout.js
--- 2/dygraph-layout.js
+++ b/dygraph-layout.js
@@@ -212,17 -207,16 +212,24 @@@ DygraphLayout.prototype._evaluateLimit
    }
  };
  
- DygraphLayout._calcXNormal = function(value, axis, logscale) {
++DygraphLayout.calcXNormal_ = function(value, axis, logscale) {
 +  if (logscale) {
 +    return ((Dygraph.log10(value) - Dygraph.log10(axis.minxval)) * axis.xlogscale);
 +  } else {
 +    return (value - axis.minxval) * axis.xscale;
 +  }
 +};
 +
- DygraphLayout._calcYNormal = function(axis, value, logscale) {
+ /**
+  * @param {DygraphAxisType} axis
+  * @param {number} value
+  * @param {boolean} logscale
+  * @return {number}
+  */
+ DygraphLayout.calcYNormal_ = function(axis, value, logscale) {
    if (logscale) {
-     return 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale);
+     var x = 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale);
+     return isFinite(x) ? x : NaN;  // shim for v8 issue; see pull request 276
    } else {
      return 1.0 - ((value - axis.minyval) * axis.yscale);
    }
@@@ -244,7 -237,7 +251,7 @@@ DygraphLayout.prototype._evaluateLineCh
        var point = points[j];
  
        // Range from 0-1 where 0 represents left and 1 represents right.
-       point.x = DygraphLayout._calcXNormal(point.xval, this._xAxis, isLogscaleForX);
 -      point.x = (point.xval - this.minxval) * this.xscale;
++      point.x = DygraphLayout.calcXNormal_(point.xval, this._xAxis, isLogscaleForX);
        // Range from 0-1 where 0 represents top and 1 represents bottom
        var yval = point.yval;
        if (isStacked) {
@@@ -287,8 -266,8 +280,8 @@@ DygraphLayout.prototype._evaluateLineTi
    for (i = 0; i < this.xTicks_.length; i++) {
      tick = this.xTicks_[i];
      label = tick.label;
 -    pos = this.xscale * (tick.v - this.minxval);
 +    pos = this.dygraph_.toPercentXCoord(tick.v);
-     if ((pos >= 0.0) && (pos <= 1.0)) {
+     if ((pos >= 0.0) && (pos < 1.0)) {
        this.xticks.push([pos, label]);
      }
    }

diff --cc dygraph.js
index 6c76b78,56eea79..9570d3c
--- 1/dygraph.js
--- 2/dygraph.js
+++ b/dygraph.js
@@@ -3218,11 -3183,11 +3238,11 @@@ Dygraph.prototype.parseDataTable_ = fun
    } else if (indepType == 'number') {
      this.attrs_.xValueParser = function(x) { return parseFloat(x); };
      this.attrs_.axes.x.valueFormatter = function(x) { return x; };
 -    this.attrs_.axes.x.ticker = Dygraph.numericLinearTicks;
 +    this.attrs_.axes.x.ticker = Dygraph.numericTicks;
      this.attrs_.axes.x.axisLabelFormatter = this.attrs_.axes.x.valueFormatter;
    } else {
-     this.error("only 'date', 'datetime' and 'number' types are supported for " +
-                "column 1 of DataTable input (Got '" + indepType + "')");
+     Dygraph.error("only 'date', 'datetime' and 'number' types are supported " +
+                   "for column 1 of DataTable input (Got '" + indepType + "')");
      return null;
    }