Just resolved one bug of Rachana font.
Below is list of Malayalam Unicode characters
"ം ഃ ഄ അ ആ ഇ ഈ ഉ ഊ ഋ ഌ എ ഏ ഐ ഒ ഓ ഔ ക ഖ ഗ ഘ ങ ച ഛ ജ ഝ ഞ ട ഠ ഡ ഢ ണ ത ഥ ദ ധ ന ഩ പ ഫ ബ ഭ മ യ ര റ ല ള ഴ വ ശ ഷ സ ഹ ഺ ഻ ഼ ഽ ാ ി ീ ു ൂ ൃ ൄ െ േ ൈ ൊ ോ ൌ ് ൎ ൏ ൔ ൕ ൖ ൗ ൘ ൙ ൚ ൛ ൜ ൝ ൞ ൟ ൠ ൡ ൢ ൣ ൦ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮ ൯ ൰ ൱ ൲ ൳ ൴ ൵ ൶ ൷ ൸ ൹ ൺ ൻ ർ ൽ ൾ ൿ "
Before fix it was looking like, Note, U+00AE character is displayed even at reserved unicode locations, was not understanding from where ® is coming after checking through all font understood in Rachana.ttf these glyphs present.
After Fix
Reported bug : https://bugzilla.redhat.com/show_bug.cgi?id=781938
patch is available in bug. Pushed update to Fedora 16 https://admin.fedoraproject.org/updates/smc-fonts-4.4-7.fc16
Below is list of Malayalam Unicode characters
"ം ഃ ഄ അ ആ ഇ ഈ ഉ ഊ ഋ ഌ എ ഏ ഐ ഒ ഓ ഔ ക ഖ ഗ ഘ ങ ച ഛ ജ ഝ ഞ ട ഠ ഡ ഢ ണ ത ഥ ദ ധ ന ഩ പ ഫ ബ ഭ മ യ ര റ ല ള ഴ വ ശ ഷ സ ഹ ഺ ഻ ഼ ഽ ാ ി ീ ു ൂ ൃ ൄ െ േ ൈ ൊ ോ ൌ ് ൎ ൏ ൔ ൕ ൖ ൗ ൘ ൙ ൚ ൛ ൜ ൝ ൞ ൟ ൠ ൡ ൢ ൣ ൦ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮ ൯ ൰ ൱ ൲ ൳ ൴ ൵ ൶ ൷ ൸ ൹ ൺ ൻ ർ ൽ ൾ ൿ "
Before fix it was looking like, Note, U+00AE character is displayed even at reserved unicode locations, was not understanding from where ® is coming after checking through all font understood in Rachana.ttf these glyphs present.
After Fix
Reported bug : https://bugzilla.redhat.com/show_bug.cgi?id=781938
patch is available in bug. Pushed update to Fedora 16 https://admin.fedoraproject.org/updates/smc-fonts-4.4-7.fc16