x/jsonx: ISO8601: add support for unconventional offset timestamps

aliases.go

@@ -4,6 +4,7 @@ import (
 	"io/fs"
 	"net/http"
 	"net/url"
+	"path"
 	"regexp"
 	"strings"
 	"time"
@@ -325,15 +326,10 @@ type prefixedDir struct {
 }
 
 func (p *prefixedDir) Open(name string) (http.File, error) {
-	destPath, _, ok, err := context.SafeFilename(p.prefix, name)
-	if err != nil {
-		return nil, err
-	}
-	if !ok {
-		return nil, http.ErrMissingFile // unsafe.
-	}
+	// Don't do this: as this is responsibility of the underline fs.
+	// _, filename, ok, err := context.SafeFilename("", name)
 
-	//	name = path.Join(destPath, filename)
+	destPath := path.Join(p.prefix, name)
 	return p.fs.Open(destPath)
 }