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-rw-r--r--lib/utf8_heavy.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/utf8_heavy.pl b/lib/utf8_heavy.pl
index e8cf0cc4ab..e86b727397 100644
--- a/lib/utf8_heavy.pl
+++ b/lib/utf8_heavy.pl
@@ -26,7 +26,7 @@ sub SWASHNEW {
while (($caller = caller($i)) eq __PACKAGE__) { $i++ }
my $encoding = $enc{$caller} || "unicore";
(my $file = $type) =~ s!::!/!g;
- if ($file =~ /^In[- ]?(.+)/i) {
+ if ($file =~ /^In[- _]?(.+?)$/i) {
my $In = $1;
defined %utf8::In || do "$encoding/In.pl";
my $prefix = substr(lc($In), 0, 3);