Make removal of accents in taxonomy and section paths optional

And default off.

Fixes #1180

commands/hugo.go

@@ -141,6 +141,7 @@ func LoadDefaultSettings() {
 	viper.SetDefault("IgnoreCache", false)
 	viper.SetDefault("CanonifyURLs", false)
 	viper.SetDefault("RelativeURLs", false)
+	viper.SetDefault("RemovePathAccents", false)
 	viper.SetDefault("Taxonomies", map[string]string{"tag": "tags", "category": "categories"})
 	viper.SetDefault("Permalinks", make(hugolib.PermalinkOverrides, 0))
 	viper.SetDefault("Sitemap", hugolib.Sitemap{Priority: -1})
@@ -192,7 +193,7 @@ func InitializeConfig() {
 	if hugoCmdV.PersistentFlags().Lookup("disableSitemap").Changed {
 		viper.Set("DisableSitemap", DisableSitemap)
 	}
-	
+
 	if hugoCmdV.PersistentFlags().Lookup("verbose").Changed {
 		viper.Set("Verbose", Verbose)
 	}

helpers/path.go

@@ -99,9 +99,16 @@ func UnicodeSanitize(s string) string {
 		}
 	}
 
-	// remove accents - see https://blog.golang.org/normalization
-	t := transform.Chain(norm.NFD, transform.RemoveFunc(isMn), norm.NFC)
-	result, _, _ := transform.String(t, string(target))
+	var result string
+
+	if viper.GetBool("RemovePathAccents") {
+		// remove accents - see https://blog.golang.org/normalization
+		t := transform.Chain(norm.NFD, transform.RemoveFunc(isMn), norm.NFC)
+		result, _, _ = transform.String(t, string(target))
+	} else {
+		result = string(target)
+	}
+
 	return result
 
 	return string(target)

helpers/path_test.go

@@ -17,6 +17,10 @@ import (
 )
 
 func TestMakePath(t *testing.T) {
+	viper.Reset()
+	defer viper.Reset()
+	viper.Set("RemovePathAccents", true)
+
 	tests := []struct {
 		input    string
 		expected string
@@ -717,7 +721,7 @@ func TestGetTempDir(t *testing.T) {
 		{testDir + "FOo/BaR.html", dir + testDir + "FOo/BaR.html" + FilePathSeparator},
 		{testDir + "трям/трям", dir + testDir + "трям/трям" + FilePathSeparator},
 		{testDir + "은행", dir + testDir + "은행" + FilePathSeparator},
-		{testDir + "Банковский кассир", dir + testDir + "Банковскии-кассир" + FilePathSeparator},
+		{testDir + "Банковский кассир", dir + testDir + "Банковский-кассир" + FilePathSeparator},
 	}
 
 	for _, test := range tests {