Only uglify 404.html on server root

`404.html` needs to be that and not `/404/` in the root.

There seem to be content pages in the wild with the name `404` (Hugo docs),
so this commit adds an extra check so only root 404 pages ignore the `uglifyURLs`setting.

Fixes #1140

1 files changed, 2 insertions, 1 deletions

diff --git a/target/page.go b/target/page.go
index fb081fedb..57e3a300b 100644
--- a/target/page.go
+++ b/target/page.go
@@ -40,13 +40,14 @@ func (pp *PagePub) Translate(src string) (dest string, err error) {
 	}
 
 	dir, file := filepath.Split(src)
+	isRoot := dir == ""
 	ext := pp.extension(filepath.Ext(file))
 	name := filename(file)
 	if pp.PublishDir != "" {
 		dir = filepath.Join(pp.PublishDir, dir)
 	}
 
-	if pp.UglyURLs || file == "index.html" || file == "404.html" {
+	if pp.UglyURLs || file == "index.html" || (isRoot && file == "404.html") {
 		return filepath.Join(dir, fmt.Sprintf("%s%s", name, ext)), nil
 	}