Implement SkipImages and add test

html.go

@@ -1170,6 +1170,9 @@ func (r *HTML) RenderNode(w io.Writer, node *Node, entering bool) WalkStatus {
 			}
 		}
 	case Image:
+		if r.flags&SkipImages != 0 {
+			return SkipChildren
+		}
 		if entering {
 			dest := node.LinkData.Destination
 			dest = r.addAbsPrefix(dest)

inline_test.go

@@ -1130,6 +1130,15 @@ func TestSkipLinks(t *testing.T) {
 	})
 }
 
+func TestSkipImages(t *testing.T) {
+	doTestsInlineParam(t, []string{
+		"![foo](/bar/)\n",
+		"<p></p>\n",
+	}, TestParams{
+		HTMLFlags: SkipImages,
+	})
+}
+
 func TestUseXHTML(t *testing.T) {
 	doTestsParam(t, []string{
 		"---",