Add `|` as comment indicator (#168)

diff --git a/pkg/license/norm.go b/pkg/license/norm.go
index c01a8d9..c9761d5 100644
--- a/pkg/license/norm.go
+++ b/pkg/license/norm.go
@@ -70,6 +70,8 @@
 		regexp.MustCompile(`(?m)^\s*{\*+`),   // {*
 		regexp.MustCompile(`(?m)^\s*\*+}`),   // *}
 		regexp.MustCompile(`(?m)^\s*'+`),     // '
+
+		regexp.MustCompile(`(?m)^\s*\|+`), // '
 	}
 
 	flattenSpace = regexp.MustCompile(`\s+`)