From 315d2f8c342c08c694080d08e055670051448b5e Mon Sep 17 00:00:00 2001
From: Joe Mooring <joe.mooring@veriphor.com>
Date: Thu, 7 Dec 2023 07:05:36 -0800
Subject: [PATCH] Add math.Counter example to warnf

---
 content/en/functions/fmt/Warnf.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/content/en/functions/fmt/Warnf.md b/content/en/functions/fmt/Warnf.md
index b07cf3cc3..95edbc14e 100644
--- a/content/en/functions/fmt/Warnf.md
+++ b/content/en/functions/fmt/Warnf.md
@@ -20,3 +20,14 @@ The `warnf` function evaluates the format string, then prints the result to the
 ```go-html-template
 {{ warnf "The %q shortcode was unable to find %s. See %s" .Name $file .Position }}
 ```
+
+To prevent supression of duplicate messages when using `warnf` for debugging, make each message unique with the [`math.Counter`] function. For example:
+
+
+```go-html-template
+{{ range site.RegularPages }}
+  {{ .Section | warnf "%#[2]v [%[1]d]" math.Counter }}
+{{ end }}
+```
+
+[`math.Counter`]: /functions/math/counter