perl-module: fix version mismatch between module and PSPP

[pspp-builds.git] / perl-module / lib / PSPP.pm

diff --git a/perl-module/lib/PSPP.pm b/perl-module/lib/PSPP.pm
index 93d70ef20875541427b13dd5038c6331ccaec414..3cb9f3be48a5f33ecf21591977e1deacb27e09e4 100644 (file)
--- a/perl-module/lib/PSPP.pm
+++ b/perl-module/lib/PSPP.pm
@@ -21,7 +21,7 @@ None by default.
 
 =cut
 BEGIN {
-       $PSPP::VERSION='0.7.1';
+       $PSPP::VERSION='0.7.2';
        require XSLoader;
        XSLoader::load('PSPP', $PSPP::VERSION);
 }
@@ -87,6 +87,10 @@ sub new
 
 =pod
 
+=head3 get_var_cnt ()
+
+Returns the number of variables in the dictionary.
+
 =head3 get_var ($idx)
 
 Returns the C<idx>th variable from the dictionary.
@@ -493,7 +497,8 @@ This method returns an array of scalars, each of which are the values of
 the data in the system file.
 The first call to C<get_next_case> after C<open> has been called retrieves
 the first case in the system file.  Each subsequent call retrieves the next
-case.  If there are no more cases to be read, the function returns undef.
+case.  If there are no more cases to be read, the function returns an empty
+list.
 
 If the case contains system missing values, these values are set to the 
 empty string.