gnucash-docs maint: Minor imrovements on Invoice ID

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/2b81a73c (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/5be9c2a2 (commit)



commit 2b81a73c939bf286bcf9d89a420da33d1b5bdff5
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Thu Aug 8 06:54:14 2019 +0200

    Minor imrovements on Invoice ID
    
    Unification of lists



Summary of changes:
 help/C/Help_ch_Business.xml  | 26 +++++++++++++++-----------
 help/C/Help_ch_Customize.xml |  4 ++--
 2 files changed, 17 insertions(+), 13 deletions(-)