gnucash-htdocs master: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-htdocs/commit/ca5cb318 (commit)
	 via  https://github.com/Gnucash/gnucash-htdocs/commit/048fed30 (commit)
	from  https://github.com/Gnucash/gnucash-htdocs/commit/4c969753 (commit)



commit ca5cb31803b3918ee79af6979e05ce38b074c2a1
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 12 13:37:13 2023 -0800

    Protect against empty arrays/NULL array references in gettext.php.

commit 048fed3089749a9e08ef7c8a6003d2491a584070
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 12 13:29:29 2023 -0800

    Fix three PHP8 warnings about indexing empty arrays.



Summary of changes:
 externals/gettext.php  | 10 ++++++----
 externals/header.phtml | 18 ++++++++++--------
 lang.php               | 10 ++++++----
 3 files changed, 22 insertions(+), 16 deletions(-)