IPTC 7901

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IPTC 7901 is a news service text markup specification published by the International Press Telecommunications Council that was designed to standardize the content and structure of text news articles. It was formally approved in 1979, and is still the world's most common way of transmitting news articles to newspapers, web sites and broadcasters from news services.

Contents

Using fixed metadata fields and a series of control and other special characters, IPTC 7901 was designed to feed text stories to both teleprinters and computer-based news editing systems. Stories can be assigned to broad categories (such as sports or culture) and be given a higher or lower priority based upon importance.

Although superseded in the early 1990s by IPTC Information Interchange Model and later by the XML-based News Industry Text Format, 7901's huge existing user base has persisted.

IPTC 7901 is closely related to ANPA-1312 (also known as ANPA 84-2 and later 89-3) of the Newspaper Association of America.

C0 control codes

The standard replaces several of the ASCII control codes: [1] [2]

Seq DecHexReplacedAbbrevNameDescription
^I0909HTFOFormattingUsed in tabular data to move to the next tabulation position (retaining "Tab" semantics in this regard), and in standard formats to denote the next phase. The current IPTC specification instead recommends using regular ASCII C0 controls, and using the US control as a column break in tables.
^K110BVTECDEnd of InstructionDelimits the end of a typographical instruction intended for the typesetting device.
^L120CFFSCDStart of InstructionDelimits the start of a typographical instruction intended for the typesetting device.
^M130DCRQLQuad LeftTerminates a line, indicating that it should be left-aligned. The current IPTC specification instead recommends using regular ASCII C0 controls, and representing this function with the < CR LF sequence.
^Q1711DC1FT1Font OneSwitches to regular typeface, i.e. disables bold or italic.
^R1812DC2FT2Font TwoSwitches to italic typeface.
^S1913DC3FT3Font ThreeSwitches to bold typeface.
^W2317ETX?End of paragraph
^X2418CANKWKill WordDeletes the preceding word (deletes back to and including the last space, or back to and excluding the previous line break, whichever it encounters first). Retains "Cancel" semantics in this respect, but has a more specific function.
^Y2519EMEMSP Em space For indenting the first line of a paragraph
^\281CFSSSSuper Shift Non-locking shift code.
^\281CFS??"Central Field Separator" in tables
^]291DGSQCQuad CentreTerminates a line, indicating that it should be centred.
^]291DGS??Mark following space as non-breaking
^^301ERSQRQuad RightTerminates a line, indicating that it should be right-aligned.
^^301ERS??Mark following hyphen-minus as a soft hyphen
^_311FUSJYJustifyTerminates a line which is to be justified.

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References

  1. ↑ IPTC (1995). The IPTC Recommended Message Format (PDF) (5th ed.). IPTC TEC 7901.
  2. ↑ IPTC (1976). Control set for newspaper text transmission (PDF). ITSCJ/IPSJ. ISO-IR-26.


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