-- This module contains shared functions used by [[Module:Category handler]] -- and its submodules.  local p = {}  function p.matchesBlacklist(page, blacklist)  for i, pattern in ipairs(blacklist) do  local match = mw.ustring.match(page, pattern)  if match then  return true  end  end  return false end  function p.getParamMappings(useLoadData)  local dataPage = 'Module:Namespace detect/data'  if useLoadData then  return mw.loadData(dataPage).mappings  else  return require(dataPage).mappings  end end  function p.getNamespaceParameters(titleObj, mappings)  -- We don't use title.nsText for the namespace name because it adds  -- underscores.  local mappingsKey  if titleObj.isTalkPage then  mappingsKey = 'talk'  else  mappingsKey = mw.site.namespaces[titleObj.namespace].name  end  mappingsKey = mw.ustring.lower(mappingsKey)  return mappings[mappingsKey] or {} end  return p