-- This page RailGauge/extra is a data page for module:RailGauge. Its structure and job is exactly the same as module:RailGauge/data. -- This page allows for speedy adding new railgauge definitions, without having to reprocess all 13,000 pages that use RailGauge. -- When an input option (alias) is not found in regular RailGauge/data, this page is loaded and searched. -- Over time, entries added here will be moved to RailGAuge/data page. -- (This concept copied from [module:Convert/extra].)  --[=[ Full list (remove idle rows; remember to add a comma - except the last one) -- required: id, aliases, def1 plus a size in ft,in and a size in metric.  {  ["id"] = "",  ["aliases"] = {[[]], [[]]},  ["def1"] = "met/imp",  ["name"] = "",  ["link"] = "[[]]",  ["pagename"] = "",  ["contentcat"] = "", -- Keep the empty when not exists  ["m"] = "",  ["mm"] = "",  ["ft"] = "",  ["in"] = "",  ["num"] = "",  ["den"] = ""  }, ]=]-- return { }