use text/template to avoid HTML escaping

Co-authored-by: Roy O'Young <roy2220@outlook.com>

Closes #57

tmpl_test.go

@@ -16,9 +16,9 @@ package main
 
 import (
 	"errors"
-	"html/template"
 	"os"
 	"testing"
+	"text/template"
 )
 
 func init() {
@@ -170,6 +170,14 @@ func TestExecuteTemplate(t *testing.T) {
 			"/*", " * ", "*/",
 			"/*\n * HYS\n*/\n\n",
 		},
+
+		// ensure we don't escape HTML characters by using the wrong template package
+		{
+			"{{.Holder}}",
+			licenseData{Holder: "A&Z"},
+			"", "", "",
+			"A&Z\n\n",
+		},
 	}
 
 	for _, tt := range tests {