* lisp/international/textsec.el (textsec--ipvx-address-p):
Recognise hybrid addresses like "::ffff:129.55.2.201".
Combine to a single regexp and translate to rx.
Remove some regexp ambiguity (relint complaint).
* test/lisp/international/textsec-tests.el (test-suspiction-domain):
Add test cases.
* lisp/international/textsec.el (textsec--ipvx-address-p): New
function.
(textsec-domain-suspicious-p): Use it to say that ipv6 addresses
aren't suspicious (bug#54624).
* lisp/international/fontset.el (setup-default-fontset)
(script-representative-chars): Add tai-tham.
* lisp/language/thai.el ("Northern Thai"): New language
environment. Patch by Richard Wordingham
<richard.wordingham@ntlworld.com>. Set
'composition-function-table' for the Tai Tham block. Original
code by Richard Wordingham <richard.wordingham@ntlworld.com>.
* etc/HELLO: Add Northern Thai greeting.
* etc/NEWS: Announce addition of Northern Thai language environment.
* lisp/startup.el (command-line--load-script): New function that
avoids erroring out if it turns out there's no forms in the buffer
(bug#4616).
* lisp/subr.el (delete-line): New utility function.
* lisp/international/mule.el (load-with-code-conversion): Accept
an eval function.
* lisp/international/latin1-disp.el (latin1-display-ucs-per-lynx):
Don't judge display-ability of all the characters by testing just
one of them. Instead, install an ASCII equivalent of every
character that the terminal cannot display.
* lisp/international/textsec.el
(textsec-bidi-controls-suspicious-p): New function.
(textsec-name-suspicious-p): Use it.
* test/lisp/international/textsec-tests.el (test-suspicious-name):
Enable the test that was previously failing with
'bidi-find-overridden-directionality'.
* lisp/international/textsec.el (textsec-domain-suspicious-p):
Ensure that we're not confusing the user if there's a directional
override in the string we're checking.
* lisp/international/textsec-check.el (textsec-propertize): New
function.
(textsec-check): Only check, don't alter STRING.
* lisp/international/textsec.el (textsec-url-suspicious-p): New
function.
* lisp/net/shr.el (shr-tag-a): Mark suspicious links.
* lisp/international/textsec.el (textsec-domain-suspicious-p):
Consider domain names that are whole-script confusables with ASCII
to be suspicious. (I think this is what the Unicode standard is
recommending, but I'm not 100% sure.)
* lisp/international/textsec.el
(textsec-email-address-suspicious-p): Made into its own function.
(textsec-email-suspicious-p): Use it and adjust doc strings.
* lisp/international/textsec.el (textsec-name-suspicious-p):
(textsec-domain-suspicious-p):
(textsec-local-address-suspicious-p):
(textsec-name-suspicious-p):
(textsec-suspicious-nonspacing-p):
(textsec-email-suspicious-p): Suspiciosness isn't only about
homoglyphs, so don't claim so in the doc strings.
* lisp/international/textsec.el (textsec-suspicious-nonspacing-p):
Clarify wording of the strings returned to explain the suspicious
use of nonspacing characters.
* lisp/international/characters.el (bidi-control-characters):
Rename from glyphless--bidi-control-characters for use in textsec,
and add LRM/RLM/ALM.
(update-glyphless-char-display): Adjust the code.
* lisp/international/textsec.el (textsec-local-address-suspicious-p)
(textsec-name-suspicious-p, textsec-suspicious-nonspacing-p)
(textsec-email-suspicious-p): New functions.
