Here is a list of all documented files with brief descriptions:

templates
lib
abstractlocalizer.h
cachingloaderdecorator.h
context.h
engine.h
exception.h
filter.h
filterexpression.h
grantlee_templates.h
metatype.h
node.h
outputstream.h
parser.h
qtlocalizer.h
rendercontext.h
safestring.h
taglibraryinterface.h
template.h
templateloader.h
token.h
typeaccessor.h
util.h	Utility functions used throughout Grantlee
variable.h
textdocument
lib
abstractmarkupbuilder.h
bbcodebuilder.h
grantlee_textdocument.h
markupdirector.h
mediawikimarkupbuilder.h
plaintextmarkupbuilder.h
texthtmlbuilder.h
tests
coverageobject.h
testutils.h