field is arbitrarily set to @samp{00:00:00}.
@item char file_label[64];
-Set the the file label declared by the user, if any @xref{FILE LABEL}.
+Set the the file label declared by the user, if any (@pxref{FILE LABEL}).
Padded on the right with spaces.
@item char padding[3];
@item char name[8];
Variable name. The variable name must begin with a capital letter or
-the at-sign (@samp{@@}). Subsequent characters may also be octothorpes
+the at-sign (@samp{@@}). Subsequent characters may also be digits, octothorpes
(@samp{#}), dollar signs (@samp{$}), underscores (@samp{_}), or full
stops (@samp{.}). The variable name is padded on the right with spaces.
@item int32 vars[/* variable length */];
A list of variables to which to apply the value labels. There are
-@code{count} elements.
+@code{count} elements. Each element identifies a variable record, where
+the first element is numbered 1 and long string variables are considered
+to occupy multiple indexes.
@end table
@node Document Record, Machine int32 Info Record, Value Label Variable Record, Data File Format
@item int32 character_code;
Character code. 1 indicates EBCDIC, 2 indicates 7-bit ASCII, 3
indicates 8-bit ASCII, 4 indicates DEC Kanji.
+Windows code page numbers are also valid.
@end table
@node Machine flt64 Info Record, Auxiliary Variable Parameter Record, Machine int32 Info Record, Data File Format
Record subtype. Always set to 4.
@item int32 size;
-Size of each piece of data in the data part, in bytes. Always set to 4.
+Size of each piece of data in the data part, in bytes. Always set to 8.
@item int32 count;
Number of pieces of data in the data part. Always set to 3.
@item struct aux_params aux_params[];
An array of @code{struct aux_params}. The order of the elements corresponds
-to the order of the variables in the Variable Records. The @code{struct aux_params} type is defined as follows:
+to the order of the variables in the Variable Records. No element
+corresponds to variable records that continue long string variables.
+The @code{struct aux_params} type is defined as follows:
@example
struct aux_params
A list of @var{key}--@var{value} tuples, where @var{key} is the name
of a variable, and @var{value} is its long variable name.
The @var{key} field is at most 8 bytes long and must match the
-name of a variable which appears in the variable record @xref{Variable Record}.
+name of a variable which appears in the variable record (@pxref{Variable
+Record}).
The @var{value} field is at most 64 bytes long.
The @var{key} and @var{value} fields are separated by a @samp{=} byte.
Each tuple is separated by a byte whose value is 09. There is no
A list of @var{key}--@var{value} tuples, where @var{key} is the name
of a variable, and @var{value} is its length.
The @var{key} field is at most 8 bytes long and must match the
-name of a variable which appears in the variable record @xref{Variable Record}.
-The @var{value} field is exactly 5 bytes long. It is a zero padded ascii
-encoded, string which is the length of the variable.
+name of a variable which appears in the variable record (@pxref{Variable
+Record}).
+The @var{value} field is exactly 5 bytes long. It is a zero-padded,
+ASCII-encoded string that is the length of the variable.
The @var{key} and @var{value} fields are separated by a @samp{=} byte.
-Tuples are delimeted a two byte sequence @{00, 09@}.
-After the last tuple, there may be a single byte 00, or by @{00, 09@}.
+Tuples are delimited by a two-byte sequence @{00, 09@}.
+After the last tuple, there may be a single byte 00, or @{00, 09@}.
The total length is @code{count} bytes.
@end table
Miscellaneous informational records must follow the variable records and
precede the dictionary termination record.
-Miscellaneous informational records are ignored by PSPP when reading
-system files. They are not written by PSPP when writing system files.
+Some specific types of miscellaneous informational records are
+documented here, but others are known to exist. PSPP ignores unknown
+miscellaneous informational records when reading system files.
@example
struct sysfile_misc_info