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-rwxr-xr-xt/op/pat.t21
1 files changed, 20 insertions, 1 deletions
diff --git a/t/op/pat.t b/t/op/pat.t
index 2531d71954..e5d3145114 100755
--- a/t/op/pat.t
+++ b/t/op/pat.t
@@ -6,7 +6,7 @@
$| = 1;
-print "1..634\n";
+print "1..639\n";
BEGIN {
chdir 't' if -d 't';
@@ -1796,3 +1796,22 @@ if(test_o('abc','..(.)') eq 'a') {
print "not ok 634\n";
}
+# 635..639: ID 20010619.003 (only the space character is
+# supposed to be [:print:], not the whole isprint()).
+
+print "not " if "\n" =~ /[[:print:]]/;
+print "ok 635\n";
+
+print "not " if "\t" =~ /[[:print:]]/;
+print "ok 636\n";
+
+# Amazingly verrical tabulator is the same in ASCII and EBCDIC.
+print "not " if "\014" =~ /[[:print:]]/;
+print "ok 637\n";
+
+print "not " if "\r" =~ /[[:print:]]/;
+print "ok 638\n";
+
+print "not " unless " " =~ /[[:print:]]/;
+print "ok 639\n";
+