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--- ./ppm/ppmmerge.c.orig Mon Jan 31 11:44:31 1994
+++ ./ppm/ppmmerge.c Sat Aug 12 23:51:35 1995
@@ -29,6 +29,10 @@
{
++argv;
--argc;
+ if(!*argv) {
+ fprintf(stderr, "Usage: ppmmerge ppm_program_name [args ...]\n");
+ exit(1);
+ }
goto again;
}
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