diff -up bin/perli11ndoc.orig bin/perli11ndoc
--- ./bin/perli11ndoc.orig	2019-09-05 03:23:21.537516800 +0300
+++ ./bin/perli11ndoc	2019-09-05 03:56:55.223385953 +0300
@@ -49,7 +49,7 @@ use XML::LibXML qw//;
 sub find_gir {
   my ($lib_pattern) = @_;
 
-  if ($lib_pattern !~ /^([^\d\-]+)-?(\d(?:\.\d)?)?$/) {
+  if ($lib_pattern !~ /^([^\d\-]\w+)-?(\d(?:\.\d)?)?$/) {
     die "Cannot recognize the library name\n";
   }
   my $name_wanted = $1;