Fix non-ASCII URL conversion

  * Apparently, I introduced a regression at some point that caused
    bytes to be appended with a hyphen that broke the conversion

Author: maquchizi

contrib/compose/nginx_medium_rewrite_urls.conf

@@ -65,8 +65,12 @@ server {
                               -- Keep safe ASCII characters as is
                               encoded = encoded .. string.char(byte)
                           else
-                              -- For all other bytes, use the -XX format
-                              encoded = encoded .. "-" .. string.format("%02x", byte):lower()
+                              -- For all other bytes except the first one, use the -XX format
+                              if #encoded > 0 then
+                                  encoded = encoded .. "-" .. string.format("%02x", byte):lower()
+                              else
+                                  encoded = encoded .. string.format("%02x", byte):lower()
+                              end
                           end
                       end
                       table.insert(encoded_parts, encoded)

nginx.conf.sigil

@@ -124,8 +124,12 @@ server {
                           -- Keep safe ASCII characters as is
                           encoded = encoded .. string.char(byte)
                       else
-                          -- For all other bytes, use the -XX format
-                          encoded = encoded .. "-" .. string.format("%02x", byte):lower()
+                          -- For all other bytes except the first one, use the -XX format
+                          if #encoded > 0 then
+                              encoded = encoded .. "-" .. string.format("%02x", byte):lower()
+                          else
+                              encoded = encoded .. string.format("%02x", byte):lower()
+                          end
                       end
                   end
                   table.insert(encoded_parts, encoded)