Small caps

	\version "2.18.2"
			#(use-modules (ice-9 regex))
			#(define-public string-upper-case #f)
			#(define accented-char-upper-case? #f)
			#(define accented-char-lower-case? #f)
			#(let ((lower-case-accented-string "áàâäǎăāãåąæǣćĉčçďđðéèêëěĕēęəĝğģĥħíìîïǐĭīĩįĵķĺŀľļłńňñóòôöǒŏōõǫőøœŕřśŝšşťţþúùûüǔŭūųǘǜǚŵýŷÿȳźž")
			(upper-case-accented-string "ÁÀÂÄǍĂĀÃÅĄÆǢĆĈČÇĎĐÐÉÈÊËĚĔĒĘƏĜĞĢĤĦÍÌÎÏǏĬĪĨĮĴĶĹĿĽĻŁŃŇÑÓÒÔÖǑŎŌÕǪŐØŒŔŘŚŜŠŞŤŢÞÚÙÛÜǓŬŪŲǗǛǙŴÝŶŸȲŹŽ"))
			(define (group-by-2 chars result)
			(if (or (null? chars) (null? (cdr chars)))
			(reverse! result)
			(group-by-2 (cddr chars)
			(cons (string (car chars) (cadr chars))
			result))))
			(let ((lower-case-accented-chars
			(group-by-2 (string->list lower-case-accented-string) (list)))
			(upper-case-accented-chars
			(group-by-2 (string->list upper-case-accented-string) (list))))
			(set! string-upper-case
			(lambda (str)
			(define (replace-chars str froms tos)
			(if (null? froms)
			str
			(replace-chars (regexp-substitute/global #f (car froms) str
			'pre (car tos) 'post)
			(cdr froms)
			(cdr tos))))
			(string-upcase (replace-chars str
			lower-case-accented-chars
			upper-case-accented-chars))))
			(set! accented-char-upper-case?
			(lambda (char1 char2)
			(member (string char1 char2) upper-case-accented-chars string=?)))
			(set! accented-char-lower-case?
			(lambda (char1 char2)
			(member (string char1 char2) lower-case-accented-chars string=?)))))
			#(define-markup-command (smallCaps layout props text) (markup?)
			(define (string-list->markup strings lower)
			(let ((final-string (string-upper-case
			(apply string-append (reverse strings)))))
			(if lower
			(markup #:fontsize -2 final-string)
			final-string)))
			(define (make-small-caps rest-chars currents current-is-lower prev-result)
			(if (null? rest-chars)
			(make-concat-markup (reverse! (cons (string-list->markup
			currents current-is-lower)
			prev-result)))
			(let* ((ch1 (car rest-chars))
			(ch2 (and (not (null? (cdr rest-chars))) (cadr rest-chars)))
			(this-char-string (string ch1))
			(is-lower (char-lower-case? ch1))
			(next-rest-chars (cdr rest-chars)))
			(cond ((and ch2 (accented-char-lower-case? ch1 ch2))
			(set! this-char-string (string ch1 ch2))
			(set! is-lower #t)
			(set! next-rest-chars (cddr rest-chars)))
			((and ch2 (accented-char-upper-case? ch1 ch2))
			(set! this-char-string (string ch1 ch2))
			(set! is-lower #f)
			(set! next-rest-chars (cddr rest-chars))))
			(if (or (and current-is-lower is-lower)
			(and (not current-is-lower) (not is-lower)))
			(make-small-caps next-rest-chars
			(cons this-char-string currents)
			is-lower
			prev-result)
			(make-small-caps next-rest-chars
			(list this-char-string)
			is-lower
			(if (null? currents)
			prev-result
			(cons (string-list->markup
			currents current-is-lower)
			prev-result)))))))
			(interpret-markup layout props
			(if (string? text)
			(make-small-caps (string->list text) (list) #f (list))
			text)))