Make LanguageConverter roman-numeral cases consistent

[lhc/web/wiklou.git] / languages / classes / LanguageKu.php

diff --git a/languages/classes/LanguageKu.php b/languages/classes/LanguageKu.php
index ef77775..b90ca41 100644 (file)
--- a/languages/classes/LanguageKu.php
+++ b/languages/classes/LanguageKu.php
@@ -192,7 +192,8 @@ class KuConverter extends LanguageConverter {
                /* From Kazakh interface, maybe we need it later
                $breaks = '[^\w\x80-\xff]';
                // regexp for roman numbers
-               $roman = 'M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})';
+               // Lookahead assertion ensures $roman doesn't match the empty string
+               $roman = '(?=[MDCLXVI])M{0,4}(C[DM]|D?C{0,3})(X[LC]|L?X{0,3})(I[VX]|V?I{0,3})';
                $roman = '';
 
                $reg = '/^'.$roman.'$|^'.$roman.$breaks.'|'.$breaks.$roman.'$|'.$breaks.$roman.$breaks.'/';