subscript fixes; added free functions

[pspp-builds.git] / doc / q2c.texi

diff --git a/doc/q2c.texi b/doc/q2c.texi
index b24a8ee0e17222974355865a08c216d1ccb2226b..8a4257c0d6f4fb7fcc778c49cae92142a70633a0 100644 (file)
--- a/doc/q2c.texi
+++ b/doc/q2c.texi
@@ -1,4 +1,4 @@
-@node q2c Input Format, , Data File Format, Top
+@node q2c Input Format, GNU Free Documentation License, Data File Format, Top
 @appendix @code{q2c} Input Format
 
 PSPP statistical procedures have a bizarre and somewhat irregular
@@ -104,7 +104,7 @@ backslash within a string.
 
 @item Special character
 
-Other characters, other than whitespace, constitute tokens in
+Other characters, other than white space, constitute tokens in
 themselves.
 
 @end table
@@ -129,6 +129,7 @@ sbc-options ::=
             ::= sbc-options sbc-options
 sbc-option ::= *
            ::= +
+           ::= ^
 sbc-defn ::= opt-prefix = specifiers
          ::= [ ID ] = array-sbc
          ::= opt-prefix = sbc-special-form
@@ -142,6 +143,8 @@ keyword used for the default subcommand can be omitted in the PSPP
 syntax file.  A plus sign (@samp{+}) is used to indicate that a
 subcommand can appear more than once; if it is not present then that
 subcommand can appear no more than once.
+A carat sign (@samp{^}) is used to indicate that a subcommand must appear
+at least once.
 
 The subcommand name appears after the option characters.