From 32344fe3db862584e3f926d63bdf33b7fa7d22f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Sun, 24 May 2020 12:49:45 +0200
Subject: [PATCH] Prevent WARNINGs in RenderString

---
 hugolib/page__meta.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hugolib/page__meta.go b/hugolib/page__meta.go
index 36c314d9d..435b95473 100644
--- a/hugolib/page__meta.go
+++ b/hugolib/page__meta.go
@@ -727,11 +727,16 @@ func (p *pageMeta) newContentConverter(ps *pageState, markup string, renderingCo
 		return converter.NopConverter, errors.Errorf("no content renderer found for markup %q", p.markup)
 	}
 
+	var id string
+	if !p.f.IsZero() {
+		id = p.f.UniqueID()
+	}
+
 	cpp, err := cp.New(
 		converter.DocumentContext{
 			Document:        newPageForRenderHook(ps),
-			DocumentID:      p.f.UniqueID(),
-			DocumentName:    p.f.Path(),
+			DocumentID:      id,
+			DocumentName:    p.Path(),
 			ConfigOverrides: renderingConfigOverrides,
 		},
 	)