parser: Update MWTidy::checkErrors() error message

When setting the following on PHP 7, the produced error message
did not make sense (references something about HHVM).

 > $wgValidateAllHtml = true
 > $wgTidyConfig = ['driver' => 'RemexHtml'];

Change-Id: I5f14505639a79aca66f570a9a00c38cdea0cc1ba

diff --git a/includes/parser/MWTidy.php b/includes/parser/MWTidy.php
index ffc884e..330859d 100644 (file)
--- a/includes/parser/MWTidy.php
+++ b/includes/parser/MWTidy.php
@@ -69,7 +69,7 @@ class MWTidy {
                if ( $driver->supportsValidate() ) {
                        return $driver->validate( $text, $errorStr );
                } else {
-                       throw new MWException( __METHOD__ . ": error text return from HHVM tidy is not supported" );
+                       throw new MWException( __METHOD__ . ": tidy driver does not support validate()" );
                }
        }