Assorted docs: X11 screencast using FFmpeg: Add preamble, conclusion, and bottom line.
Assorted docs: X11 screencast using FFmpeg: Add preamble, conclusion, and bottom line.

rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io,rgolubtsov/rgolubtsov.github.io