1 files changed, 12 insertions, 8 deletions
diff --git a/document.go b/document.go
index 5137b80..c01837c 100644
--- a/document.go
+++ b/document.go
@@ -87,15 +87,15 @@ func (doc *Document) WriteIndent(w io.Writer, n int) error {
 func (doc *Document) Write(w io.Writer) error {
 	bw := bufio.NewWriter(w)
 	if doc.Title != "" {
-		if err := writeIndent(bw, "title", 0); err != nil {
+		if err := WriteIndent(bw, "title", 0); err != nil {
 			return err
 		}
-		if err := writeIndent(bw, Escape(doc.Title), 1); err != nil {
+		if err := WriteIndent(bw, Escape(doc.Title), 1); err != nil {
 			return err
 		}
 	}
 	if len(doc.Links) > 0 {
-		if err := writeIndent(bw, "links", 0); err != nil {
+		if err := WriteIndent(bw, "links", 0); err != nil {
 			return err
 		}
 		for _, link := range doc.Links {
@@ -105,7 +105,7 @@ func (doc *Document) Write(w io.Writer) error {
 		}
 	}
 	if len(doc.Site.Children) > 0 {
-		if err := writeIndent(bw, "site", 0); err != nil {
+		if err := WriteIndent(bw, "site", 0); err != nil {
 			return err
 		}
 		for _, site := range doc.Site.Children {
@@ -196,11 +196,11 @@ func (link Link) WriteIndent(w io.Writer, n int) error {
 	if link.Name != "" {
 		s += " " + Escape(link.Name)
 	}
-	if err := writeIndent(w, s, n); err != nil {
+	if err := WriteIndent(w, s, n); err != nil {
 		return err
 	}
 	if link.Description != "" {
-		if err := writeIndent(w, Escape(link.Description), n+1); err != nil {
+		if err := WriteIndent(w, Escape(link.Description), n+1); err != nil {
 			return err
 		}
 	}
@@ -225,7 +225,7 @@ func (site Site) WriteIndent(w io.Writer, n int) error {
 	if site.Name != "" {
 		s += " " + Escape(site.Name)
 	}
-	if err := writeIndent(w, s, n); err != nil {
+	if err := WriteIndent(w, s, n); err != nil {
 		return err
 	}
 	for _, ch := range site.Children {
@@ -276,7 +276,11 @@ func parseUnknown(p *Parser, block *TokenBlock) (err error) {
 	return
 }
 
-func writeIndent(w io.Writer, s string, depth int) error {
+// WriteIndent writes an indented line into a writer.
+//
+// Writes depth tab characters, the string s and a newline. If s is blank, no
+// indentation is used. s should not contain newlines.
+func WriteIndent(w io.Writer, s string, depth int) error {
 	const tabs = "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
 
 	if s == "" {