+the line width, where @var{X} is the number of staff spaces.
+
+@lilypond[verbatim,quote]
+\\markup {
+ \\wordwrap {
+ Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed
+ do eiusmod tempor incididunt ut labore et dolore magna aliqua.
+ Ut enim ad minim veniam, quis nostrud exercitation ullamco
+ laboris nisi ut aliquip ex ea commodo consequat.
+ }
+}
+@end lilypond"
+ (stack-lines DOWN 0.0 baseline-skip
+ (wordwrap-internal-markup-list layout props #f args)))
+
+(define-builtin-markup-list-command (wordwrap-string-internal layout props justify arg)
+ (boolean? string?)
+ ((line-width)
+ (word-space)
+ (text-direction RIGHT))
+ "Internal markup list command used to define @code{\\justify-string} and
+@code{\\wordwrap-string}."
+ (let* ((para-strings (regexp-split
+ (string-regexp-substitute
+ "\r" "\n"
+ (string-regexp-substitute "\r\n" "\n" arg))
+ "\n[ \t\n]*\n[ \t\n]*"))
+ (list-para-words (map (lambda (str)
+ (regexp-split str "[ \t\n]+"))
+ para-strings))
+ (para-lines (map (lambda (words)
+ (let* ((stencils
+ (remove ly:stencil-empty?
+ (map (lambda (x)
+ (interpret-markup layout props x))
+ words))))
+ (wordwrap-stencils stencils
+ justify word-space
+ line-width text-direction)))
+ list-para-words)))
+ (apply append para-lines)))
+
+(define-builtin-markup-command (wordwrap-string layout props arg)
+ (string?)
+ align
+ ((baseline-skip)
+ wordwrap-string-internal-markup-list)
+ "Wordwrap a string. Paragraphs may be separated with double newlines.
+
+@lilypond[verbatim,quote]
+\\markup {
+ \\override #'(line-width . 40)
+ \\wordwrap-string #\"Lorem ipsum dolor sit amet, consectetur
+ adipisicing elit, sed do eiusmod tempor incididunt ut labore
+ et dolore magna aliqua.