Updated.
Added: AEFC_* defines.
Changed: removed AE_VPos.
Changed: separate AE_VPos to AE_VPosFromLine and AE_LineFromVPos.
Added: possibility to hide last line of the fold.
Added: AEM_GETFOLDHIDEOFFSET, AEM_SETFOLDHIDEOFFSET messages.
Changed: small optimization for PATREPLACEPOINT.