fix: do not replace comments with empty lines

Signed-off-by: Carlos A Becker <caarlos0@gmail.com>

ansi/elements.go

@@ -156,7 +156,7 @@ func (tr *ANSIRenderer) NewElement(node ast.Node, source []byte) Element {
 		return Element{
 			Exiting: post,
 			Renderer: &ItemElement{
-				IsOrdered: node.Parent().(*ast.List).IsOrdered(),
+				IsOrdered:   node.Parent().(*ast.List).IsOrdered(),
 				Enumeration: e,
 			},
 		}
@@ -332,7 +332,7 @@ func (tr *ANSIRenderer) NewElement(node ast.Node, source []byte) Element {
 		n := node.(*ast.HTMLBlock)
 		return Element{
 			Renderer: &BaseElement{
-				Token: ctx.SanitizeHTML(string(n.Text(source)), true) + "\n",
+				Token: ctx.SanitizeHTML(string(n.Text(source)), true),
 				Style: ctx.options.Styles.HTMLBlock.StylePrimitive,
 			},
 		}

testdata/readme.markdown.in

@@ -23,6 +23,8 @@ Check out the [Gold Style Gallery](https://github.com/charmbracelet/gold/blob/ma
 
 Currently `gold` uses the [Aurora ANSI colors](https://godoc.org/github.com/logrusorgru/aurora#Index).
 
+<!-- comments should be ignored -->
+
 ## Development
 
 Style definitions located in `styles/` can be embedded into the binary by
@@ -32,5 +34,14 @@ running [statik](https://github.com/rakyll/statik):
 statik -f -src styles -include "*.json"
 ```
 
+<!--
+multiline comments should also be ignored
+this is one comment with
+more than one
+line
+
+yup
+-->
+
 You can re-generate screenshots of all available styles by running `gallery.sh`.
 This requires `termshot` and `pngcrush` installed on your system!