tAGO              583 maint/gnulib/lib/parse-datetime.y %token <intval> tAGO
tAGO              893 maint/gnulib/lib/parse-datetime.y     relunit tAGO
tAGO             1088 maint/gnulib/lib/parse-datetime.y   { "AGO",      tAGO,           -1 },
tAGO             1089 maint/gnulib/lib/parse-datetime.y   { "HENCE",    tAGO,            1 },