/* CRW header starts with 2 bytes for byte order (always "II", little endian),
* 4 bytes for start of root block,
- * and 8 bytes of magic for file type and format "HEAPCCDR"
+ * and 8 bytes of magic for file type and format 'HEAPCCDR'
* (also 4 bytes for file version, and 8 bytes reserved)
*
* CIFF specification in pdf format is available on some websites,
- * search for "CIFFspecV1R03.pdf" or "CIFFspecV1R04.pdf"
+ * search for 'CIFFspecV1R03.pdf' or 'CIFFspecV1R04.pdf'
*/
if (len < CRW_HEADER_SIZE ||
memcmp(data, "II", 2) != 0 ||