Template:Sort Roman

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Usage

{{Sort Roman}} can be used in sortable tables to sort Roman numerals up to 38 correctly in numerical order. Without the template, IX, XIX, XXIX sort wrong. The template can be used on all Roman numerals up to 38 but only has to be used for IX, XIX, XXIX (9, 19, 29).

Change IX to {{Sort Roman|IX}}

Change XIX to {{Sort Roman|XIX}}

Change XXIX to {{Sort Roman|XXIX}}

The template also works with lowercase numerals like ix, xix, xxix.

There is no option to sort Roman numerals above 38 (more complicated and maybe never needed).

Arabic numerals (normal decimal digits) cannot be mixed with Roman numerals in a sortable column.

Demonstration

The source text of this table uses {{Sort Roman}} in the whole third column and three cells of the fourth column.

Decimal number	No sort template: IX, XIX, XXIX sort wrong	{{Sort Roman|...}} everywhere: Sorts correctly	Only {{Sort Roman|IX}} {{Sort Roman|XIX}} {{Sort Roman|XXIX}}: Also sorts correctly
1	I	I	I
2	II	II	II
3	III	III	III
4	IV	IV	IV
5	V	V	V
6	VI	VI	VI
7	VII	VII	VII
8	VIII	VIII	VIII
9	IX	IX	IX
10	X	X	X
11	XI	XI	XI
12	XII	XII	XII
13	XIII	XIII	XIII
14	XIV	XIV	XIV
15	XV	XV	XV
16	XVI	XVI	XVI
17	XVII	XVII	XVII
18	XVIII	XVIII	XVIII
19	XIX	XIX	XIX
20	XX	XX	XX
21	XXI	XXI	XXI
22	XXII	XXII	XXII
23	XXIII	XXIII	XXIII
24	XXIV	XXIV	XXIV
25	XXV	XXV	XXV
26	XXVI	XXVI	XXVI
27	XXVII	XXVII	XXVII
28	XXVIII	XXVIII	XXVIII
29	XXIX	XXIX	XXIX
30	XXX	XXX	XXX
31	XXXI	XXXI	XXXI
32	XXXII	XXXII	XXXII
33	XXXIII	XXXIII	XXXIII
34	XXXIV	XXXIV	XXXIV
35	XXXV	XXXV	XXXV
36	XXXVI	XXXVI	XXXVI
37	XXXVII	XXXVII	XXXVII
38	XXXVIII	XXXVIII	XXXVIII

Redirects

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