Template:Convert/doc/range separator list

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The following ranges provide different output when units are abbreviated.

Ranges can use more than two values.

Ranges can be specified in the first parameter.

range_words = { '+/-', 'to(-)', 'xx', 'x', '*', 'to', 'or', 'by', '–', '-' } So:
 * From module:convert/text
 * 1+/-2 m
 * to(-) 1to(-)2 m
 * to(-) a 1to(-)2 m
 * and(-) 1and(-)2 m
 * 1xx2 m
 * 1x2 m
 * a 1x2 m
 * 1to2 m
 * 1or2 m
 * 1by2 m
 * 1–2 m
 * 1-2 m
 * 1 - 2 m