Add failing format example

hcl/printer/printer_test.go

@@ -34,6 +34,7 @@ var data = []entry{
 	{"comment.input", "comment.golden"},
 	{"comment_aligned.input", "comment_aligned.golden"},
 	{"comment_array.input", "comment_array.golden"},
+	{"comment_multiline_stanza.input", "comment_multiline_stanza.golden"},
 	{"comment_newline.input", "comment_newline.golden"},
 	{"comment_standalone.input", "comment_standalone.golden"},
 	{"empty_block.input", "empty_block.golden"},

hcl/printer/testdata/comment_multiline_stanza.golden

@@ -0,0 +1,10 @@
+# This is a multiline comment
+# That has values like this:
+#
+#     ami-abcd1234
+#
+# Do not delete this comment
+
+resource "aws_instance" "web" {
+  ami_id = "ami-abcd1234"
+}

hcl/printer/testdata/comment_multiline_stanza.input

@@ -0,0 +1,10 @@
+# This is a multiline comment
+# That has values like this:
+#
+#     ami-abcd1234
+#
+# Do not delete this comment
+
+resource "aws_instance" "web" {
+ami_id = "ami-abcd1234"
+}