IDE.BufferMode
data IDEBuffer
data BufferState
maybeActiveBuf
lastActiveBufferPane
recentSourceBuffers
getStartAndEndLineOfSelection
inBufContext
inActiveBufContext
doForSelectedLines
data Mode
modFromFileName
withCurrentMode
editComment
editUncomment
selectedModuleName
editToCandy
editFromCandy
editKeystrokeCandy