Merge from origin/emacs-26

14c032d Avoid assertion violations in nonsensical calls to 'signal'
b99192f * lisp/simple.el (transient-mark-mode): Correct documentation...
7e42294 Update the locale and language database
8c53d9f Fix a typo in a doc string.
79bda3b Make nneething allow CRLF-encoded files (bug#32940)

5 files changed, 41 insertions, 28 deletions

diff --git a/lisp/gnus/nneething.el b/lisp/gnus/nneething.el
index 10ac7025505..ced75c8725e 100644
--- a/lisp/gnus/nneething.el
+++ b/lisp/gnus/nneething.el
@@ -123,7 +123,7 @@ included.")
          (file-exists-p file)           ; The file exists.
          (not (file-directory-p file))  ; It's not a dir.
          (save-excursion
-           (let ((nnmail-file-coding-system 'binary))
+           (let ((nnmail-file-coding-system 'raw-text))
              (nnmail-find-file file))   ; Insert the file in the nntp buf.
            (unless (nnheader-article-p) ; Either it's a real article...
              (let ((type
diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index 817a26b1feb..b755ae07d38 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -2213,7 +2213,7 @@ See `set-language-info-alist' for use in programs."
     ("bg" "Bulgarian" cp1251) ; Bulgarian
     ; bh Bihari
     ; bi Bislama
-    ("bn" . "UTF-8") ; Bengali, Bangla
+    ("bn" "Bengali" utf-8) ; Bengali, Bangla
     ("bo" . "Tibetan")
     ("br" . "Latin-1") ; Breton
     ("bs" . "Latin-2") ; Bosnian
@@ -2226,6 +2226,7 @@ See `set-language-info-alist' for use in programs."
     ("de" "German" iso-8859-1)
     ; dv Divehi
     ; dz Bhutani
+    ("ee" . "Latin-4") ; Ewe
     ("el" "Greek" iso-8859-7)
     ;; Users who specify "en" explicitly typically want Latin-1, not ASCII.
     ;; That's actually what the GNU locales define, modulo things like
@@ -2234,10 +2235,10 @@ See `set-language-info-alist' for use in programs."
     ("en" "English" iso-8859-1) ; English
     ("eo" . "Esperanto") ; Esperanto
     ("es" "Spanish" iso-8859-1)
-    ("et" . "Latin-1") ; Estonian
+    ("et" . "Latin-9") ; Estonian
     ("eu" . "Latin-1") ; Basque
-    ("fa" . "UTF-8") ; Persian
-    ("fi" . "Latin-1") ; Finnish
+    ("fa" "Persian" utf-8) ; Persian
+    ("fi" . "Latin-9") ; Finnish
     ("fj" . "Latin-1") ; Fiji
     ("fo" . "Latin-1") ; Faroese
     ("fr" "French" iso-8859-1) ; French
@@ -2247,11 +2248,12 @@ See `set-language-info-alist' for use in programs."
     ("gez" "Ethiopic" utf-8) ; Geez
     ("gl" . "Latin-1") ; Gallegan; Galician
     ; gn Guarani
-    ("gu" . "UTF-8") ; Gujarati
+    ("gu" "Gujarati" utf-8) ; Gujarati
     ("gv" . "Latin-1") ; Manx Gaelic
     ; ha Hausa
     ("he" "Hebrew" iso-8859-8)
     ("hi" "Devanagari" utf-8) ; Hindi
+    ("hni_IN" . "UTF-8") ; Chhattisgarhi
     ("hr" "Croatian" iso-8859-2) ; Croatian
     ("hu" . "Latin-2") ; Hungarian
     ; hy Armenian
@@ -2268,20 +2270,20 @@ See `set-language-info-alist' for use in programs."
     ("ka" "Georgian" georgian-ps) ; Georgian
     ; kk Kazakh
     ("kl" . "Latin-1") ; Greenlandic
-    ; km Cambodian
+    ("km" "Khmer" utf-8) ; Cambodian, Khmer
     ("kn" "Kannada" utf-8)
     ("ko" "Korean" euc-kr)
-    ; ks Kashmiri
+    ("ks" . "UTF-8") ; Kashmiri
     ; ku Kurdish
     ("kw" . "Latin-1") ; Cornish
-    ; ky Kirghiz
+    ("ky" . "UTF-8") ; Kirghiz
     ("la" . "Latin-1") ; Latin
     ("lb" . "Latin-1") ; Luxemburgish
-    ("lg" . "Laint-6") ; Ganda
+    ("lg" . "Latin-6") ; Ganda, a.k.a. Luganda
     ; ln Lingala
     ("lo" "Lao" utf-8) ; Laothian
     ("lt" "Lithuanian" iso-8859-13)
-    ("lv" . "Latvian") ; Latvian, Lettish
+    ("lv" "Latvian" iso-8859-13) ; Latvian, Lettish
     ; mg Malagasy
     ("mi" . "Latin-7") ; Maori
     ("mk" "Cyrillic-ISO" iso-8859-5) ; Macedonian
@@ -2291,24 +2293,29 @@ See `set-language-info-alist' for use in programs."
     ("mr" "Devanagari" utf-8) ; Marathi
     ("ms" . "Latin-1") ; Malay
     ("mt" . "Latin-3") ; Maltese
-    ; my Burmese
+    ("my" "Burmese" utf-8) ; Burmese
     ; na Nauru
     ("nb" . "Latin-1") ; Norwegian
     ("ne" "Devanagari" utf-8) ; Nepali
     ("nl" "Dutch" iso-8859-1)
+    ("nn" . "Latin-1") ; Norwegian Nynorsk
     ("no" . "Latin-1") ; Norwegian
+    ("nr_ZA" . "UTF-8") ; South Ndebele
+    ("nso_ZA" . "UTF-8") ; Pedi
     ("oc" . "Latin-1") ; Occitan
     ("om_ET" . "UTF-8") ; (Afan) Oromo
     ("om" . "Latin-1") ; (Afan) Oromo
-    ; or Oriya
-    ("pa" . "UTF-8") ; Punjabi
-    ("pl" . "Latin-2") ; Polish
+    ("or" "Oriya" utf-8)
+    ("pa" "Punjabi" utf-8) ; Punjabi
+    ("pl" "Polish" iso-8859-2) ; Polish
     ; ps Pashto, Pushto
+    ("pt_BR" "Brazilian Portuguese" iso-8859-1) ; Brazilian Portuguese
     ("pt" . "Latin-1") ; Portuguese
     ; qu Quechua
     ("rm" . "Latin-1") ; Rhaeto-Romanic
     ; rn Kirundi
     ("ro" "Romanian" iso-8859-2)
+    ("ru_RU.koi8r" "Cyrillic-KOI8" koi8-r)
     ("ru_RU" "Russian" iso-8859-5)
     ("ru_UA" "Russian" koi8-u)
     ; rw Kinyarwanda
@@ -2317,7 +2324,7 @@ See `set-language-info-alist' for use in programs."
     ("se" . "UTF-8") ; Northern Sami
     ; sg Sangho
     ("sh" . "Latin-2") ; Serbo-Croatian
-    ; si Sinhalese
+    ("si" "Sinhala" utf-8) ; Sinhalese
     ("sid" . "UTF-8") ; Sidamo
     ("sk" "Slovak" iso-8859-2)
     ("sl" "Slovenian" iso-8859-2)
@@ -2325,7 +2332,7 @@ See `set-language-info-alist' for use in programs."
     ; sn Shona
     ("so_ET" "UTF-8") ; Somali
     ("so" "Latin-1") ; Somali
-    ("sq" . "Latin-1") ; Albanian
+    ("sq" . "Latin-2") ; Albanian
     ("sr" . "Latin-2") ; Serbian (Latin alphabet)
     ; ss Siswati
     ("st" . "Latin-1") ;  Sesotho
@@ -2333,17 +2340,20 @@ See `set-language-info-alist' for use in programs."
     ("sv" "Swedish" iso-8859-1)         ; Swedish
     ("sw" . "Latin-1") ; Swahili
     ("ta" "Tamil" utf-8)
-    ("te" . "UTF-8") ; Telugu
+    ("te" "Telugu" utf-8) ; Telugu
     ("tg" "Tajik" koi8-t)
-    ("th" "Thai" tis-620)
+    ("th_TH.tis620" "Thai" tis-620)
+    ("th_TH.TIS-620" "Thai" tis-620)
+    ("th_TH" "Thai" iso-8859-11)
+    ("th" "Thai" iso-8859-11)
     ("ti" "Ethiopic" utf-8) ; Tigrinya
     ("tig_ER" . "UTF-8") ; Tigre
     ; tk Turkmen
     ("tl" . "Latin-1") ; Tagalog
-    ; tn Setswana
+    ("tn" . "Latin-9") ; Setswana, Tswana
     ; to Tonga
     ("tr" "Turkish" iso-8859-9)
-    ; ts Tsonga
+    ("ts" . "Latin-1") ; Tsonga
     ("tt" . "UTF-8") ; Tatar
     ; tw Twi
     ; ug Uighur
@@ -2351,6 +2361,7 @@ See `set-language-info-alist' for use in programs."
     ("ur" . "UTF-8") ; Urdu
     ("uz_UZ@cyrillic" . "UTF-8"); Uzbek
     ("uz" . "Latin-1") ; Uzbek
+    ("ve" . "UTF-8") ; Venda
     ("vi" "Vietnamese" utf-8)
     ; vo Volapuk
     ("wa" . "Latin-1") ; Walloon
@@ -2380,7 +2391,6 @@ See `set-language-info-alist' for use in programs."
 
     ;; Nonstandard or obsolete language codes
     ("cz" . "Czech") ; e.g. Solaris 2.6
-    ("ee" . "Latin-4") ; Estonian, e.g. X11R6.4
     ("iw" . "Hebrew") ; e.g. X11R6.4
     ("sp" . "Cyrillic-ISO") ; Serbian (Cyrillic alphabet), e.g. X11R6.4
     ("su" . "Latin-1") ; Finnish, e.g. Solaris 2.6
diff --git a/lisp/simple.el b/lisp/simple.el
index e41630d4ed1..96128c6b9ba 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -5823,10 +5823,10 @@ its earlier value."
 
 Transient Mark mode is a global minor mode.  When enabled, the
 region is highlighted with the `region' face whenever the mark
-is active.  The mark is \"deactivated\" by changing the buffer,
-and after certain other operations that set the mark but whose
-main purpose is something else--for example, incremental search,
-\\[beginning-of-buffer], and \\[end-of-buffer].
+is active.  The mark is \"deactivated\" after certain non-motion
+commands, including those that change the text in the buffer, and
+during shift or mouse selection by any unshifted cursor motion
+command (see Info node `Shift Selection' for more details).
 
 You can also deactivate the mark by typing \\[keyboard-quit] or
 \\[keyboard-escape-quit].
diff --git a/lisp/window.el b/lisp/window.el
index 0a42dae6ca8..8ff8497768d 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -6833,7 +6833,7 @@ See `display-buffer' for details.")
 (put 'display-buffer-overriding-action 'risky-local-variable t)
 
 (defcustom display-buffer-alist nil
-  "Alist of uder-defined conditional actions for `display-buffer'.
+  "Alist of user-defined conditional actions for `display-buffer'.
 Its value takes effect before `display-buffer-base-action'
 and `display-buffer-fallback-action', but after
 `display-buffer-overriding-action', which see.
diff --git a/src/eval.c b/src/eval.c
index 5e25caaa847..42c275de6bc 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1591,7 +1591,7 @@ DEFUN ("signal", Fsignal, Ssignal, 2, 2, 0,
 This function does not return.
 
 An error symbol is a symbol with an `error-conditions' property
-that is a list of condition names.
+that is a list of condition names.  The symbol should be non-nil.
 A handler for any of those names will get to handle this signal.
 The symbol `error' should normally be one of them.
 
@@ -1603,6 +1603,9 @@ See also the function `condition-case'.  */
        attributes: noreturn)
   (Lisp_Object error_symbol, Lisp_Object data)
 {
+  /* If they call us with nonsensical arguments, produce "peculiar error".  */
+  if (NILP (error_symbol) && NILP (data))
+    error_symbol = Qerror;
   signal_or_quit (error_symbol, data, false);
   eassume (false);
 }