Admittedly, this chapter covers a number of unrelated components in the Eclipse Platform. They have in common the fact that each is designed as an independent plug-in that can be added to any Eclipse-based application. Although they are at home mostly in IDE applications, these plug-ins can also be inserted into RCP applications when help, search, or compare facilities are needed.
Help is added to Eclipse in the form of help books that appear in the online help system. Each help book is laid out in table-of-contents files (
toc.xml) that specify the structure of each help book. These table-of-contents files are then registered with the platform, using the