Tables for
Volume G
Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon

International Tables for Crystallography (2006). Vol. G, ch. 2.2, p. 23

Section Line lengths

S. R. Halla* and J. D. Westbrookb Line lengths

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The STAR File does not restrict the lengths of text lines. The original CIF specification introduced an 80-character limit to facilitate programming in Fortran and transmission of CIFs by email. Contemporary practices have enabled the line-length limit in the version 1.1 specification to be extended to 2048 characters. While the new limit in effect mandates the use of a 2048-character input buffer in compliant CIF-reading software, there is no obligation on CIF writers to generate output lines of this length.

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