doc patch: "Saving Properties" merge into "Format Conversion"

[Thien-Thi Nguyen]

a month or two back i posted a patch for comment but recevied no
replies.  i've twiddled it further and post again, including a suitable
ChangeLog entry this time:

 * elisp.texi (Top): Remove "Saving Properties" from detailed menu.
 * files.texi (Format Conversion): Expand intro.  Add documentation
 for annotations handling, and subsection "Piecemeal Specification".
 * hooks.texi: Xref "Format Conversion" , not "Saving Properties".
 * text.texi (Text Properties): Remove "Saving Properties" from menu.
 (Saving Properties): Delete node/subsection.

what do you think?

thi

.ttn.diff
Description: \"Saving Properties\" merge into \"Format Conversion\"