International
Tables for Crystallography Volume G Definition and exchange of crystallographic data Edited by S. R. Hall and B. McMahon © International Union of Crystallography 2006 |
International Tables for Crystallography (2006). Vol. G. ch. 2.2, p. 27
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(24) Any of the white-space characters listed in paragraph (22) (i.e. HT, LF, CR) and the visible space character SP (position number 32 in the ASCII encoding) may be used interchangeably to separate tokens, with the exception that the semicolon characters delimiting multi-line text fields must be preceded by the white-space character or characters understood as indicating an end of line (see next paragraph).