fix HEIF entry in specifications. Hyperlinks for HEIF in tables now w…

…ork too.

CSV/specifications.csv

@@ -32,7 +32,7 @@ DRC,DRC,"<a href='http://www.iso.ch/' target='_blank'>ISO</a>/IEC 23003-4, Dynam
 etsi-ac3,ETSI AC-3,"<a href='http://www.etsi.org/'>ETSI</a> TS 102 366 v1.2.1 - Digital Audio Compression (AC-3, Enhanced AC-3) Standard, Annex F"
 etsi-ac4,ETSI AC-4,"<a href='http://www.etsi.org/'>ETSI</a> TS 103 190 v1.1.1 - Digital Audio Compression (AC-4) Standard, Annex E and TS 103 190-2 v1.1.1 - Digital Audio Compression (AC-4) Standard Part 2: Immersive and personalized audio, Annex E"
 etsi-eac3+,ETSI E-AC-3+JOC,"<a href='http://www.etsi.org/'>ETSI</a> TS 103 420 v1.1.1 - Backwards-compatible object audio carriage using Enhanced AC-3"
-HEIF,ISO,"<a href='http://www.iso.ch/' target='_blank'>ISO</a>/IEC 23008-12:2017, Image File Format. Available as a <a href='http://standards.iso.org/ittf/PubliclyAvailableStandards/index.html'>publicly available standard</a> from ISO."
+HEIF,HEIF,"<a href='http://www.iso.ch/' target='_blank'>ISO</a>/IEC 23008-12:2017, Image File Format. Available as a <a href='http://standards.iso.org/ittf/PubliclyAvailableStandards/index.html'>publicly available standard</a> from ISO."
 hum-mon,Hipix,Rich Picture Format from <a href='http://www.hipixpro.com/pdf/What_is_hipix_OCT_2010.pdf'>Human Monitoring</a>
 IEC62592,IEC 62592,"<a href='https://webstore.iec.ch/publication/7232'>IEC</a> TS 62592, Encoding guidelines for portable multimedia CE products using MP4 file format with AVC video codec and AAC audio codec"
 ISMAc,ISMAc,<a href='http://www.isma.tv/' target='_blank'>ISMA</a> 1.0 Encryption and Authentication