gnucash-docs maint: Further improvements of getting help

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/2651ea27 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/9e3fc7aa (commit)



commit 2651ea27a9bebf26bf174c7a12dab644573e32d6
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Wed Apr 7 04:25:39 2021 +0200

    Further improvements of getting help
    
    Webserver: more details
    several minor changes like NNTP



Summary of changes:
 docbook/gnc-docbookx.dtd       |  3 ++-
 help/C/Help_ch_GettingHelp.xml | 54 ++++++++++++++++++++++++++----------------
 2 files changed, 36 insertions(+), 21 deletions(-)