Add support for some well known exceptions.

readme.md

@@ -21,5 +21,5 @@ Transliteration
 ---------------
 
 [conv.php](conv.php) provides dumb transliteration and detransliteration of Latvian text. It does try to keep
-capitalization intact while converting. Also, it has a list of some common exceptions ( _sheema_ should become 
+capitalization intact while converting. Also, it has a list of [some common exceptions](http://laacz.lv/tmp/conv.php?c=Esoshi%20un%20neesoshi%20emaljeetaaji%20neiegaaja%20mikrosheemas%20ieejaa,%20neieelpojot%20ieelpojoamo%20kadlijaka%20disharmonisko%20ekshumaacijas%20lieljaudas%20neekonomisko%20Jaunjelgavas%20aizsargjoslas%20injekciju.%20Glaazhskjuunju%20ruukjiishi%20piepljaavushies%20salieca%20shaursliezhu%20dzelzcelja%20seshdesmito%20posminju,%20radot%20nelielu%20postinju.%20Kontroljautaajumus%20vakuumsuuknim%20uzdeva%20senjors%20bez%20reljefa%20zinaashanaam,%20vishaotiskaak%20bakstot%20skaarienjuutiigajaa%20ekraanaa%20tieshi%20tad,%20kad%20kabataa%20ieripinaatais%20briljants%20radiija%20disharmonisku%20miljonaara%20cieniigu%20anjonu%20pluusmu.) ( _sheema_ should become 
 _shēma_, not _šēma_, etc).