--- orig/path_windowsspecific.go	2026-03-28 16:15:19
+++ path_windowsspecific.go	2026-03-28 16:14:52
@@ -2,103 +2,28 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package filepath
+package winpath
 
 import (
 	"os"
 	"strings"
-	"syscall"
 )
 
-// HasPrefix exists for historical compatibility and should not be used.
-//
-// Deprecated: HasPrefix does not respect path boundaries and
-// does not ignore case when required.
-func HasPrefix(p, prefix string) bool {
-	if strings.HasPrefix(p, prefix) {
-		return true
-	}
-	return strings.HasPrefix(strings.ToLower(p), strings.ToLower(prefix))
-}
-
-func splitList(path string) []string {
-	// The same implementation is used in LookPath in os/exec;
-	// consider changing os/exec when changing this.
-
-	if path == "" {
-		return []string{}
-	}
-
-	// Split path, respecting but preserving quotes.
-	list := []string{}
-	start := 0
-	quo := false
-	for i := 0; i < len(path); i++ {
-		switch c := path[i]; {
-		case c == '"':
-			quo = !quo
-		case c == ListSeparator && !quo:
-			list = append(list, path[start:i])
-			start = i + 1
-		}
-	}
-	list = append(list, path[start:])
-
-	// Remove quotes.
-	for i, s := range list {
-		list[i] = strings.ReplaceAll(s, `"`, ``)
-	}
-
-	return list
-}
-
-func abs(path string) (string, error) {
-	if path == "" {
-		// syscall.FullPath returns an error on empty path, because it's not a valid path.
-		// To implement Abs behavior of returning working directory on empty string input,
-		// special-case empty path by changing it to "." path. See golang.org/issue/24441.
-		path = "."
-	}
-	fullPath, err := syscall.FullPath(path)
-	if err != nil {
-		return "", err
-	}
-	return Clean(fullPath), nil
-}
-
-func join(elem []string) string {
+func Join(elem ...string) string {
 	var b strings.Builder
 	var lastChar byte
 	for _, e := range elem {
 		switch {
 		case b.Len() == 0:
-			// Add the first non-empty path element unchanged.
 		case os.IsPathSeparator(lastChar):
-			// If the path ends in a slash, strip any leading slashes from the next
-			// path element to avoid creating a UNC path (any path starting with "\\")
-			// from non-UNC elements.
-			//
-			// The correct behavior for Join when the first element is an incomplete UNC
-			// path (for example, "\\") is underspecified. We currently join subsequent
-			// elements so Join("\\", "host", "share") produces "\\host\share".
 			for len(e) > 0 && os.IsPathSeparator(e[0]) {
 				e = e[1:]
 			}
-			// If the path is \ and the next path element is ??,
-			// add an extra .\ to create \.\?? rather than \??\
-			// (a Root Local Device path).
 			if b.Len() == 1 && strings.HasPrefix(e, "??") && (len(e) == len("??") || os.IsPathSeparator(e[2])) {
 				b.WriteString(`.\`)
 			}
 		case lastChar == ':':
-			// If the path ends in a colon, keep the path relative to the current directory
-			// on a drive and don't add a separator. Preserve leading slashes in the next
-			// path element, which may make the path absolute.
-			//
-			// 	Join(`C:`, `f`) = `C:f`
-			//	Join(`C:`, `\f`) = `C:\f`
 		default:
-			// In all other cases, add a separator between elements.
 			b.WriteByte('\\')
 			lastChar = '\\'
 		}
@@ -112,7 +37,3 @@
 	}
 	return Clean(b.String())
 }
-
-func sameWord(a, b string) bool {
-	return strings.EqualFold(a, b)
-}