Add horizontal line using '---'

formatter/html/html.go

@@ -256,6 +256,9 @@ func (h *HTMLFormatter) Format() string {
 		} else if entry.Break != nil {
 			// Write break tag to output
 			h.out.WriteString("<br>")
+		} else if entry.Hline != nil {
+			// Write horizonhal line tag to output
+			h.out.WriteString("<hr>")
 		}
 	}
 

parser/parser.go

@@ -112,15 +112,6 @@ func (b *buffer) pop() (scanner.Token, string) {
 	return scanner.EOF, ""
 }
 
-func (b *buffer) peek() (scanner.Token, string) {
-	if b.tok.Size() > 0 {
-		tok := b.tok.Peek()
-		lit := b.lit.Peek()
-		return tok.(scanner.Token), lit.(string)
-	}
-	return scanner.EOF, ""
-}
-
 // Parse parses the input into an AST
 func (p *Parser) Parse() (*ast.AST, error) {
 	// Create new AST
@@ -172,6 +163,29 @@ parseLoop:
 					// Continue to next token
 					continue
 				}
+			} else if tok == scanner.PUNCT && lit == "-" {
+				// Scan token
+				tok, lit = p.scan()
+				// If token is not PUNCT or literal is not "-"
+				if tok != scanner.PUNCT || lit != "-" {
+					// Unscan token
+					p.unscan()
+					// Continue parsing next token
+					continue
+				}
+				// Scan token
+				tok, lit = p.scan()
+				// If token is not PUNCT or literal is not "-"
+				if tok != scanner.PUNCT || lit != "-" {
+					// Unscan two tokens
+					p.unscanMulti(2)
+					// Continue parsing next token
+					continue
+				}
+				// Add Hline to AST
+				AST.Entries = append(AST.Entries, ast.Entry{Hline: &ast.Hline{}})
+				// Continue parsing next token
+				continue
 			}
 			// Unscan token as it will be needed for parsing para
 			p.unscan()