Support styled indents for block elements

paragraph.go

@@ -3,6 +3,7 @@ package gold
 import (
 	"io"
 
+	"github.com/muesli/reflow"
 	bf "gopkg.in/russross/blackfriday.v2"
 )
 
@@ -22,3 +23,19 @@ func (e *ParagraphElement) Render(w io.Writer, node *bf.Node, tr *TermRenderer)
 	}
 	return el.Render(w, node, tr)
 }
+
+func (e *ParagraphElement) Finish(w io.Writer, node *bf.Node, tr *TermRenderer) error {
+	var indent uint
+	rules := tr.style[Paragraph]
+	if rules != nil {
+		indent = rules.Indent
+	}
+	iw := &IndentWriter{
+		Indent:  indent,
+		Forward: w,
+	}
+
+	_, err := iw.Write(reflow.ReflowBytes(tr.paragraph.Bytes(), tr.WordWrap-int(indent)))
+	tr.paragraph.Reset()
+	return err
+}