gnucash-docs maint: Multiple changes pushed

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/e7e1ce04 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/fe7c3512 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/57783a3b (commit)



commit e7e1ce045eb42b9db855ffd4848e8e9517cc39ba
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sun Oct 14 05:18:02 2018 +0200

    Use "Authors" as already in the guide

commit fe7c351222376874d9ae2321eb8d1121076833a1
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sun Oct 14 04:33:01 2018 +0200

    Add ids to book.preface and tips.sect2
    
    else html pages get numbered



Summary of changes:
 guide/C/gnucash-guide.xml     |  2 +-
 help/C/Help_tips-appendix.xml | 10 +++++-----
 help/C/gnucash-help.xml       |  6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)