Fix some problems with table widths/heights and spacing, and handle spacing of frame via menclose better for HTML-CSS output

unpacked/jax/input/TeX/jax.js

@@ -242,10 +242,12 @@
         var mml = MML.mtable.apply(MML,this.table).With(this.arraydef);
         if (this.frame.length === 4) {
           mml.frame = (this.frame.dashed ? "dashed" : "solid");
-          mml.framespacing = ".5em .5ex";
         } else if (this.frame.length) {
           mml.hasFrame = true;
+          this.arraydef.rowlines = this.arraydef.rowlines.replace(/none( none)+$/,"none");
           mml = MML.menclose(mml).With({notation: this.frame.join(" "), isFrame: true});
+          if (this.arraydef.columnlines != "none" ||
+              this.arraydef.rowlines != "none") {mml.padding = 0} // HTML-CSS jax implements this
         }
         if (this.open || this.close) {
           mml = MML.mfenced(mml).With({open: this.open, close: this.close});

unpacked/jax/output/HTML-CSS/autoload/mtable.js

@@ -354,11 +354,13 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
           }
         }
       }
-      
+      stack.bbox.d = -fY; stack.bbox.h = fH+fY;
+      HTMLCSS.setStackWidth(stack,stack.bbox.w + fx);
+
       //
       //  Add frame
       //
-      fW = stack.bbox.w + fx; var frame;
+      fW = stack.bbox.w; var frame;
       if (values.frame !== "none") {
         frame = HTMLCSS.createFrame(stack,fH,0,fW,1.25/HTMLCSS.em,values.frame);
         HTMLCSS.addBox(stack,frame); HTMLCSS.placeBox(frame,0,fY,true);
@@ -431,6 +433,7 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
     HTMLhandleSpace: function (span) {
       span.bbox.keepPadding = true; span.bbox.exact = true;
       if (!this.hasFrame) {span.style.paddingLeft = span.style.paddingRight = ".1667em"}
+      this.SUPER(arguments).HTMLhandleSpace.call(this,span);
     }
   });