Move "zero size SVG" comment for clarity

src/SVGSkin.js

@@ -106,12 +106,13 @@ class SVGSkin extends Skin {
         const {width, height} = this._svgMeasurements;
         this._canvas.width = width * scale;
         this._canvas.height = height * scale;
-        // Even if the canvas at the current scale has a nonzero size, the image's dimensions are floored pre-scaling.
-        // e.g. if an image has a width of 0.4 and is being rendered at 3x scale, the canvas will have a width of 1, but
-        // the image's width will be rounded down to 0 on some browsers (Firefox) prior to being drawn at that scale.
         if (
             this._canvas.width <= 0 ||
             this._canvas.height <= 0 ||
+            // Even if the canvas at the current scale has a nonzero size, the image's dimensions are floored
+            // pre-scaling; e.g. if an image has a width of 0.4 and is being rendered at 3x scale, the canvas will have
+            // a width of 1, but the image's width will be rounded down to 0 on some browsers (Firefox) prior to being
+            // drawn at that scale, resulting in an IndexSizeError if we attempt to draw it.
             this._svgImage.naturalWidth <= 0 ||
             this._svgImage.naturalHeight <= 0
         ) return super.getTexture();