Talk:MIDlet JAR Manifest essentials
From Nokia Developer Wiki
This article is much useful when somebody wants to build their custom application using Ant script. Generally manifest file automatically generated by the IDE. But if you are developing using simple editor then you must have to look at this article to see how many mandatory and optional attributes one has to define in the build.xml file while building their application using Ant Script.
All the Manifest compulsory and Optional Attributes are listed with clear explanation of each one.