From 785e1d9dc06d1f2efc1182676855980068d9176f Mon Sep 17 00:00:00 2001
From: Yusuf Efe <120668197+yuefdev@users.noreply.github.com>
Date: Mon, 19 Oct 2026 02:49:42 +0300
Subject: [PATCH] Preserve escapes when resolving relative paths

Signed-off-by: Yusuf Efe <120668197+yuefdev@users.noreply.github.com>
---
 core_url.go      |  3 ++-
 core_url_test.go | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/core_url.go b/core_url.go
index 00d7db1..fd3ea13 100644
--- a/core_url.go
+++ b/core_url.go
@@ -67,7 +67,8 @@ func (ub *urlBuilder) URL() (u *url.URL, err error) {
 	)
 	u.Host = cmp.Or(ub.host, u.Host)
 	for _, p := range ub.paths {
-		u.Path = u.ResolveReference(&url.URL{Path: p}).Path
+		resolved := u.ResolveReference(&url.URL{Path: p})
+		u.Path, u.RawPath = resolved.Path, resolved.RawPath
 	}
 	if len(ub.params) > 0 {
 		q := u.Query()
diff --git a/core_url_test.go b/core_url_test.go
index 0f8cc72..f47c285 100644
--- a/core_url_test.go
+++ b/core_url_test.go
@@ -92,6 +92,16 @@ var PathCases = map[string]struct {
 		[]string{"b/", "c/", "/d"},
 		"https://example/d",
 	},
+	"escaped-base-segment": {
+		"https://example/a%2Fb/",
+		[]string{"c"},
+		"https://example/a%2Fb/c",
+	},
+	"escaped-base-parent": {
+		"https://example/a%2Fb/c/",
+		[]string{"../d"},
+		"https://example/a%2Fb/d",
+	},
 }
 
 func TestCorePath(t *testing.T) {