Your most helpful document the ELDG this is not available on the website as it it currently under revision to reflect the regulation changes (See
http://eur-lex.europa.eu/LexUriServ/...01:0124:EN:PDF)
As long as it is in a logical readable format they should accept it as long as it has be validated correctly (See ELGD, which you cant access).
The CAA promote the use of a logbook and they produce one for use CAP 741 (see
http://www.caa.co.uk/docs/33/CAP741.PDF) for the example
They will look at a valid section of tasks are included, if your struggling I have the old copy of the ELDG which I could email you
Sorry ELGD =THE ENGINEER’S LICENSING GUIDANCE DOCUMENT
EDIT
Still web access on the Old ELGD
http://www.caa.co.uk/docs/33/ELGDBook_07_WebVersion.pdf
note the waiver here if and when you look at it
ELGD | Personnel Licensing | Safety Regulation