fixed https://github.com/vlm/asn1c/issues/78
diff --git a/examples/crfc2asn1.pl b/examples/crfc2asn1.pl
index 0b086f6..5a57f2d 100755
--- a/examples/crfc2asn1.pl
+++ b/examples/crfc2asn1.pl
@@ -42,8 +42,8 @@
$modName = $1;
$currentFname = $rfcid . $modName . ".asn1";
$inasn = 1;
- } elsif(/^[ \t]*([A-Z][A-Za-z0-9-]*).*{[ \t]*iso/
- || /^[ \t]*{[ \t]*iso/) {
+ } elsif(/^[ \t]*([A-Z][A-Za-z0-9-]*).*{[ \t]*(?:joint-)?iso/
+ || /^[ \t]*{[ \t]*(?:joint-)?iso/) {
my @a = ($_);
$modName = $1;
unless(length($modName)) {