-- TrackGauge/data---- Gauge definition (single entry; by input alias)--,--return-- 20160204: General cleanup; a more fixed data order.-- 20160204: Added: 889mm (metric); several article-sources.-- 20160204: Removed aliases metre with decimals (rm '0.6m', '0.7m').-- 20160204: Added identifier 'full-id' eg "1600-met-victorian" (compose compound key). Unused now.-- 20160213: Fix wrong imp numbers for 9mm.-- 20160213: Add aliases sgus, sguk for s.g. completeness.-- 20160613: Add sourcing pagename: 1050mm, 1055mm, 1093mm=3ft7in, 1200mm, 3ft4in, 1300mm, 4ft3in, 4ft7¾in, 4ft8in, 4ft9in, 6ft-- 20160613: Add content category: 1050mm, 1055mm, 1093mm=3ft7in, 1200mm, 3ft4in, 1300mm, 4ft3in, 4ft7¾in, 4ft8in, 6ft-- 20160620: Add content category: 20in ... 28.5in-- 20160702: removed 889mm-metric, not used/sourced-- 20161104: Add engvar=en-US for metER gauge 1000-met, 1009-met-- 20161108: skip redirect 15in: Fifteen-inch gauge railway-- 20161120: NEW added 14 1/4 in (362 mm) gauge-- 20161121: NEW added 4 ft 7.25 in (1410 mm) gauge-- 20161122: removed 457 mm: not defined metric (18 inch)-- 20161123: add Toden_Arakawa_Line for 1372mm metric.-- 20161125: NEW added 1 ft 11 1⁄4 in (591 mm)-- 20161126: NEW added 12 ft 1.5in (3696 mm)-- 20161126: NEW added 14.5 in (368 mm)-- 20161127: +contentcats: 10.25in, 15in, 7.25in, 7.5in, 760mm (bosnian)-- 20161201: +documentation by comments-- 20161219: (main module: maintenance categorisation switched off per TfD)-- 20170413: NEW added 2 ft 7 in (787 mm) gauge-- 20170414: 9 mm: add pagename HOn30 gauge (N scale missing source)-- 20170819: 783 mm: remove, theoretical only. 1200 mm: article link to more genereric article-- 20171210: NEW added 4 ft 9 3/8 in (1457 mm) gauge-- 20171210: NEW added 1465 mm as rounded Cape Gauge gauge-- 20180301: NEW added 12 5/8 in (321 mm) gauge-- 20180804: NEW added 12.5 in (318 mm); 4ft9.5in (1461 mm), 780 mm, 840 mm-- 20181110: NEW added 6 1/4 in (159mm), unique in Nelson, NZLD-- 20190916: NEW added 2ft 3.5in (699mm), Cuba & Nuneaton quarries (Webb 1973)-- 20200713: NEW added 4 ft 11 in (1499 mm), historical gauge for Toronto-- 20210310: 1372 mm: change target article into 4ft6in-- 20210406: change link for 4ft8in; rm 1422mm metric b/c no source-- 20220830: NEW add 3.75mm (Lego), 4ft2.5in (Saltburn), 1522mm Helsinki metro-- 20221231: NEW add 1 ft 11 in (584 mm; Hendre-Ddu tramway)