fix(markdown): invalid modifier organization

2 files changed, 21 insertions, 2 deletions

diff --git a/mardown/ast_modifier.go b/mardown/ast_modifier.go
index b9e53a1..7437ab8 100644
--- a/mardown/ast_modifier.go
+++ b/mardown/ast_modifier.go
@@ -57,13 +57,13 @@ func modifier(lxs *lexers) (*astModifier, error) {
 			}
 		}
 	}
-	n := len(modInside.symbols)
 	var s string
 	for lxs.Next() {
 		switch lxs.Current().Type {
 		case lexerLiteral:
 			s += lxs.Current().Value
 		case lexerModifier:
+			n := len(modInside.symbols)
 			if len(lxs.Current().Value) < n {
 				return nil, ErrInvalidModifier
 			}
@@ -92,8 +92,13 @@ func modifierDetect(val string) *astModifier {
 		return mod
 	}
 	if val[:2] == "**" || val[:2] == "__" {
-		mod.symbols = val
+		mod.symbols = val[:2]
 		mod.tag = boldTag
+		if len(val) > 2 {
+			next := modifierDetect(val[2:])
+			next.parent = mod
+			mod.content = append(mod.content, next)
+		}
 	} else {
 		mod = modifierDetect(val[:1])
 		next := modifierDetect(val[1:])
diff --git a/mardown/ast_test.go b/mardown/ast_test.go
index 11a9639..6712497 100644
--- a/mardown/ast_test.go
+++ b/mardown/ast_test.go
@@ -17,4 +17,18 @@ func TestAst(t *testing.T) {
 		t.Errorf("failed, got %s", c)
 		t.Logf("lxs: %s\ntree: %s", lxs, tree)
 	}
+	content = "***bon*soir**"
+	lxs = lex(content)
+	tree, err = ast(lxs)
+	if err != nil {
+		t.Fatal(err)
+	}
+	c, err = tree.Eval()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if c != "<p><b><em>bon</em>soir</b></p>" {
+		t.Errorf("failed, got %s", c)
+		t.Logf("lxs: %s\ntree: %s", lxs, tree)
+	}
 }