r27801 Clarify screenw/screenh options, patch by Christian Ohm, chr.ohm gmx net.
r27872 Add a few more supported URL protocols
r27895 Fix typo in psy-rd x264 option description.
r27906 document x264's option subq=0, plus a bit of factoring and added details
r27973 add direct3d docs, ok'd by Guillaume
r27979 Make description of the option more clear
r28056 Add a note about some known issues with -vo sdl
r28095 Document missing vo_gl suboptions
r28096 Using rectangle=2 for vo_gl is probably a good idea nowadays.
r28126 Add support for writing PNG files with alpha channel in -vo png
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28738 b3059339-0415-0410-9bf9-f77b7e298cf2