Dear Yong Peng,
Sorry for my late reply. Owing to some problems with my computer, I have been almost off-line for the past few days.
> the clause only relates your activities (i.e. submissions/sharing of content) to Yahoo! licensing. In particular, the end of clause 9 states that:
> "publicly accessible areas of the Yahoo! Services would not include portions of Yahoo! Groups that are limited to members"
> Reading this in conjunction with the rest of the clause, when you upload your writings ONLY in the Files section, you are NOT granting Yahoo! a "worldwide, royalty-free and non-exclusive license".
Then, the copyright notice that I have put on my last paper is much more generous than the original Yahoo! licensing. I think it is good.
> There are other clauses covering infringement of copyright and intellectual property (IP).
> I have to say I am no legal expert on issues of licensing, copyright & IP. I suggest you consult your publisher or a legal advisor.
Well, I am a follower of the Open Access movement concerning academic publishing. The rule of thumb recommended by the proponents of that movement is "don't ask, don't tell." So I think I will change my path of action only when my publisher expresses objection to my practice of archiving my paper drafts here. Up to now, there is almost no possibility of such objections, for the Journal of Buddhist Ethics where I have published my recent papers is an Open Access journal itself; so I expect no problem from their quarters.
Anyhow, thanks a lot for your suggestion.