<?php
/**
- * PNG frame counter.
- * Slightly derived from GIFMetadataExtractor.php
- * Deliberately not using MWExceptions to avoid external dependencies, encouraging
- * redistribution.
- */
+ * PNG frame counter.
+ * Slightly derived from GIFMetadataExtractor.php
+ * Deliberately not using MWExceptions to avoid external dependencies, encouraging
+ * redistribution.
+ *
+ * @file
+ * @ingroup Media
+ */
+/**
+ * PNG frame counter.
+ *
+ * @ingroup Media
+ */
class PNGMetadataExtractor {
static $png_sig;
static $CRC_size;