Prohibit LAG following TEMPORARY. This both matches SPSS behavior and

[pspp-builds.git] / src / language / expressions / generate.pl

diff --git a/src/language/expressions/generate.pl b/src/language/expressions/generate.pl
index 9d753867cc1f72865e8d251d289748fa21e0926b..4ad1764b1c3c96152703b90e8a22afb85f8120db 100644 (file)
--- a/src/language/expressions/generate.pl
+++ b/src/language/expressions/generate.pl
@@ -233,6 +233,7 @@ sub parse_input {
        $op{OPTIMIZABLE} = 1;
        $op{UNIMPLEMENTED} = 0;
        $op{EXTENSION} = 0;
+       $op{PERM_ONLY} = 0;
        for (;;) {
            if (match ('extension')) {
                $op{EXTENSION} = 1;
@@ -240,6 +241,8 @@ sub parse_input {
                $op{OPTIMIZABLE} = 0;
            } elsif (match ('absorb_miss')) {
                $op{ABSORB_MISS} = 1;
+           } elsif (match ('perm_only')) {
+               $op{PERM_ONLY} = 1;
            } else {
                last;
            }