HFWG Recommendation R13:
The OGIP Long String Keyword Convention(Approved: 1994 Jul 27)
The following example illustrates the OGIP Long String Keyword Convention (version 1.0):
BIGSTRNG= 'This is a long string value that is continued &' / Any comments CONTINUE 'over three keywords in the& ' / may be appended CONTINUE ' FITS header.' / after the quoted value.
Each continuation line has the keyword name =
Finally, the following keywords should be added to the header of any FITS extension that uses this long string convention (the exact wording may change slightly):
LONGSTRN= 'OGIP 1.0' / The OGIP long string convention may be used. COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. This convention uses the '&' COMMENT character at the end of a string which is then continued COMMENT on subsequent keywords whose name = 'CONTINUE'.
The presence of the