Fixed some bugs related to empty parentheses

[pspp] / src / language / stats / examine.c

diff --git a/src/language/stats/examine.c b/src/language/stats/examine.c
index 6ab64897e9981a00f6941619e206f49658b5b907..46863cad9724f3b7899ab637ec8f3100a06df548 100644 (file)
--- a/src/language/stats/examine.c
+++ b/src/language/stats/examine.c
@@ -2159,7 +2159,7 @@ cmd_examine (struct lexer *lexer, struct dataset *ds)
                 {
                  examine.spreadlevelplot = true;
                  examine.sl_power = 0;
-                 if (lex_match (lexer, T_LPAREN))
+                 if (lex_match (lexer, T_LPAREN) && lex_force_int (lexer))
                    {
                       examine.sl_power = lex_integer (lexer);