From 8ede9f1a44e5b11b2d2b647b03922e17c2331430 Mon Sep 17 00:00:00 2001
From: Mitchell Riedstra <mitch@riedstra.dev>
Date: Sun, 9 Oct 2022 17:00:47 -0400
Subject: Fix broken 404 page on Windows by using appropriate error checking.

---
 page/render.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/page/render.go b/page/render.go
index d35ba38..691a258 100644
--- a/page/render.go
+++ b/page/render.go
@@ -2,9 +2,10 @@ package page
 
 import (
 	"bytes"
+	"errors"
+	"io/fs"
 	"net/http"
 	"path/filepath"
-	"strings"
 )
 
 func getURLPath(r *http.Request) string {
@@ -112,7 +113,7 @@ func Render(w http.ResponseWriter, r *http.Request,
 
 	err := p.Render(buf)
 	if err != nil {
-		if strings.HasSuffix(err.Error(), "no such file or directory") {
+		if errors.Is(err, fs.ErrNotExist) {
 			Render4xx(w, r, vars, http.StatusNotFound)
 
 			return
-- 
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