3 - sec. 3.4.6: changed paragraph
4 - sec. B.9: (Japanese only) changed sentence
8 - bounding box with units
9 (http://www.lyx.org/trac/changeset/81e59260/lyxgit)
10 - new external template "VectorGraphics"
17 - sec. 2.2: last paragraph has been rewritten
18 - sec. A.1.13: added new PDF export format
19 - sec. A.1.13: add note for the HTML format