Merge from origin/emacs-26

255ba01148 Fix handling of nil PRED2 arg for completion-table-with-pr...
949b70a7d8 ; Minor comment copyedit in window.c
20f9bf30f0 Describe Lao rendering problem
3d61657694 Fix docstring of arabic-shaper-ZWNJ-handling
db949166ec Handle single-line comments correctly (Bug#26049)
795bb233a5 * test/lisp/net/tramp-tests.el (tramp-test16-file-expand-w...
ba00ea7d0d * etc/PROBLEMS: Add URL to relevant issues for xterm+evil bug
4a6015811e ; In text.texi fix typo spotted by Štěpán Němec
93cd8415b2 Document new treatment of 'comment-auto-fill-only-comments'
ca2d94ba61 Do not load Tramp unless `tramp-mode' is non-nil
709478eaa8 Prefer `customize-set-variable' in tramp.texi
5d36f2227f Fix last change in hscroll_window_tree
72d07d1950 Ediff: add some missing documentation
18af404ef3 Support python virtualenv on w32 (Bug#24464)
efd0371c23 Improve dired deletion error handling (Bug#28797)
5d744e032f Don't replace user input when completion prefix is empty (...
ec6cf35c5f ; Describe xt-mouse problems with Evil mode
c572e1f329 Return non-nil from gnutls-available-p under GnuTLS 2.x
a2cc6d74c5 Fix Flymake help-echo functions across windows (bug#29142)
58bb3462ee Add tests for Flymake backends for Ruby and Perl
58e742b21d Add a Flymake backend for Perl
9dee764165 Add a Flymake backend for Ruby
3ad712ebc9 Add a Flymake backend for Python (bug#28808)
8db2b3a79b Allow "%" in Tramp host names
8c50842790 ; Fix typo in test/file-organization.org
00fa4449cd ; Fix typo
918a2dda07 Use hybrid malloc for FreeBSD (Bug#28308)
725ab635d9 Add html-, mhtml- and python-mode support to semantic symref
369da28702 Improve documentation of 'window-scroll-functions'
93818eed8a Fix subtle problems in tabulated-list-mode with line numbers
1f1de8e872 Make gdb-non-stop-setting default to nil on MS-Windows
680e8e119b Fix gdb-mi prompt after "attach PID" command
ff33074546 Fix doc string of 'window-configuration-change-hook'
787b75ad71 Improve documentation of window hooks
d9be8704ae Fix hscroll suspension after cursor motion
6f43d29d29 ; * CONTRIBUTE, admin/make-tarball.txt: Doc tweaks re 'ema...
a0d30d6369 Introduce a function to CC Mode which displays the current...
383abc8898 ; Fix some comment typos
b02c2714c3 Fix typos in ediff-wind.el
4f38bdec74 Examine tex-chktex--process in the correct buffer
94b490529a * nt/INSTALL.W64: Update to current mingw64 install instru...
c25113d4ac Don't resignal errors in flymake-diag-region
e950f329c0 New xref-quit-and-goto-xref command bound to TAB (bug#28814)
5d34e1b288 Allow split-window-sensibly to split threshold in further ...
2a973edeac Honor window-switching intents in xref-find-definitions (b...
78e9065e9f * lisp/emacs-lisp/generator.el (iter-do): Add a debug decl...
caa63cc96c * lisp/progmodes/flymake.el (flymake-start): Fix dead buff...
9f4f130b79 Fix buffer name comparison in async shell-command

# Conflicts:
#	etc/NEWS
#	lisp/vc/ediff-wind.el

6 files changed, 71 insertions, 29 deletions

diff --git a/test/file-organization.org b/test/file-organization.org
index 4d76c0068e3..6c93c28c8e1 100644
--- a/test/file-organization.org
+++ b/test/file-organization.org
@@ -30,7 +30,7 @@ the directory structure of the source tree; so tests for files in the
 
 Tests should normally reside in a file with ~-tests.el~ added to the
 base-name of the tested source file; hence ~ert.el~ is tested in
-~ert-tests.el~, and ~pcase.el~ is tested in ~pcase-tests.el~.  As n
+~ert-tests.el~, and ~pcase.el~ is tested in ~pcase-tests.el~.  As an
 exception, tests for a single feature may be placed into multiple
 files of any name which are themselves placed in a directory named
 after the feature with ~-tests~ appended, such as
diff --git a/test/lisp/minibuffer-tests.el b/test/lisp/minibuffer-tests.el
index c27b338f7f3..2d2ac85e3ff 100644
--- a/test/lisp/minibuffer-tests.el
+++ b/test/lisp/minibuffer-tests.el
@@ -42,5 +42,37 @@
         (should (equal (buffer-string)
                        "test: "))))))
 
+(ert-deftest completion-table-with-predicate-test ()
+  (let ((full-collection
+         '("apple"                      ; Has A.
+           "beet"                       ; Has B.
+           "banana"                     ; Has A & B.
+           "cherry"                     ; Has neither.
+           ))
+        (no-A (lambda (x) (not (string-match-p "a" x))))
+        (no-B (lambda (x) (not (string-match-p "b" x)))))
+    (should
+     (member "cherry"
+             (completion-table-with-predicate
+              full-collection no-A t "" no-B t)))
+    (should-not
+     (member "banana"
+             (completion-table-with-predicate
+              full-collection no-A t "" no-B t)))
+    ;; "apple" should still match when strict is nil.
+    (should (eq t (try-completion
+                   "apple"
+                   (apply-partially
+                    'completion-table-with-predicate
+                    full-collection no-A nil)
+                   no-B)))
+    ;; "apple" should still match when strict is nil and pred2 is nil
+    ;; (Bug#27841).
+    (should (eq t (try-completion
+                   "apple"
+                   (apply-partially
+                    'completion-table-with-predicate
+                    full-collection no-A nil))))))
+
 (provide 'completion-tests)
 ;;; completion-tests.el ends here
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index af707f85007..5a7134f5f53 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -2290,7 +2290,7 @@ This tests also `file-directory-p' and `file-accessible-directory-p'."
 
 	;; Cleanup.
 	(ignore-errors
-	  (delete-directory tmp-name1))))))
+	  (delete-directory tmp-name1 'recursive))))))
 
 (ert-deftest tramp-test17-insert-directory ()
   "Check `insert-directory'."
@@ -4432,23 +4432,27 @@ process sentinels.  They shall not disturb each other."
   "Check that Tramp is loaded lazily, only when needed."
   ;; Tramp is neither loaded at Emacs startup, nor when completing a
   ;; non-Tramp file name like "/foo".  Completing a Tramp-alike file
-  ;; name like "/foo:" autoloads Tramp.
+  ;; name like "/foo:" autoloads Tramp, when `tramp-mode' is t.
   (let ((code
 	 "(progn \
-	   (message \"Tramp loaded: %s\" (featurep 'tramp)) \
+           (setq tramp-mode %s) \
+	   (message \"Tramp loaded: %%s\" (featurep 'tramp)) \
 	   (file-name-all-completions \"/foo\" \"/\") \
-	   (message \"Tramp loaded: %s\" (featurep 'tramp)) \
+	   (message \"Tramp loaded: %%s\" (featurep 'tramp)) \
 	   (file-name-all-completions \"/foo:\" \"/\") \
-	   (message \"Tramp loaded: %s\" (featurep 'tramp)))"))
-    (should
-     (string-match
-      "Tramp loaded: nil[\n\r]+Tramp loaded: nil[\n\r]+Tramp loaded: t[\n\r]+"
-      (shell-command-to-string
-       (format
-	"%s -batch -Q -L %s --eval %s"
-	(expand-file-name invocation-name invocation-directory)
-	(mapconcat 'shell-quote-argument load-path " -L ")
-	(shell-quote-argument code)))))))
+	   (message \"Tramp loaded: %%s\" (featurep 'tramp)))"))
+    (dolist (tm '(t nil))
+      (should
+       (string-match
+	(format
+       "Tramp loaded: nil[\n\r]+Tramp loaded: nil[\n\r]+Tramp loaded: %s[\n\r]+"
+	 tm)
+	(shell-command-to-string
+	 (format
+	  "%s -batch -Q -L %s --eval %s"
+	  (expand-file-name invocation-name invocation-directory)
+	  (mapconcat 'shell-quote-argument load-path " -L ")
+	  (shell-quote-argument (format code tm)))))))))
 
 (ert-deftest tramp-test43-unload ()
   "Check that Tramp and its subpackages unload completely.
diff --git a/test/lisp/progmodes/flymake-resources/test.pl b/test/lisp/progmodes/flymake-resources/test.pl
index d5abcb47e7f..6f4f1ccef50 100644
--- a/test/lisp/progmodes/flymake-resources/test.pl
+++ b/test/lisp/progmodes/flymake-resources/test.pl
@@ -1,2 +1,4 @@
 @arr = [1,2,3,4];
+unknown;
 my $b = @arr[1];
+[
diff --git a/test/lisp/progmodes/flymake-resources/test.rb b/test/lisp/progmodes/flymake-resources/test.rb
new file mode 100644
index 00000000000..1419eaf3ad2
--- /dev/null
+++ b/test/lisp/progmodes/flymake-resources/test.rb
@@ -0,0 +1,5 @@
+def bla
+  return 2
+  print "not reached"
+  something
+  oops
diff --git a/test/lisp/progmodes/flymake-tests.el b/test/lisp/progmodes/flymake-tests.el
index cfa810053ca..c60f9100345 100644
--- a/test/lisp/progmodes/flymake-tests.el
+++ b/test/lisp/progmodes/flymake-tests.el
@@ -108,24 +108,23 @@ SEVERITY-PREDICATE is used to setup
     (should (eq 'flymake-warning
                 (face-at-point)))))
 
-(ert-deftest warning-predicate-rx-perl ()
-  "Test perl warning via regular expression predicate."
+(ert-deftest perl-backend ()
+  "Test the perl backend"
   (skip-unless (executable-find "perl"))
-  (flymake-tests--with-flymake
-      ("test.pl" :severity-predicate "^Scalar value")
+  (flymake-tests--with-flymake ("test.pl")
     (flymake-goto-next-error)
-    (should (eq 'flymake-warning
-                (face-at-point)))))
+    (should (eq 'flymake-warning (face-at-point)))
+    (flymake-goto-next-error)
+    (should (eq 'flymake-error (face-at-point)))))
 
-(ert-deftest warning-predicate-function-perl ()
-  "Test perl warning via function predicate."
-  (skip-unless (executable-find "perl"))
-  (flymake-tests--with-flymake
-      ("test.pl" :severity-predicate
-       (lambda (msg) (string-match "^Scalar value" msg)))
+(ert-deftest ruby-backend ()
+  "Test the ruby backend"
+  (skip-unless (executable-find "ruby"))
+  (flymake-tests--with-flymake ("test.rb")
     (flymake-goto-next-error)
-    (should (eq 'flymake-warning
-                (face-at-point)))))
+    (should (eq 'flymake-warning (face-at-point)))
+    (flymake-goto-next-error)
+    (should (eq 'flymake-error (face-at-point)))))
 
 (ert-deftest different-diagnostic-types ()
   "Test GCC warning via function predicate."