Generate curved quotes in ert doc

* lisp/emacs-lisp/ert.el (ert--print-test-for-ewoc)
(ert-results-mode-menu)
(ert-results-pop-to-backtrace-for-test-at-point)
(ert-results-pop-to-messages-for-test-at-point)
(ert-results-pop-to-should-forms-for-test-at-point)
(ert-describe-test):
Quote ‘like this’, not `like this', when generating doc strings
and the like.
* test/automated/ert-x-tests.el (ert-test-describe-test):
Allow quoting ‘like this’.

2 files changed, 18 insertions, 14 deletions

diff --git a/lisp/emacs-lisp/ert.el b/lisp/emacs-lisp/ert.el
index b678e122c11..99c5ede33a0 100644
--- a/lisp/emacs-lisp/ert.el
+++ b/lisp/emacs-lisp/ert.el
@@ -1849,7 +1849,9 @@ non-nil, returns the face for expected results.."
              (when (ert-test-documentation test)
                (insert "    "
                        (propertize
-                        (ert--string-first-line (ert-test-documentation test))
+                        (ert--string-first-line
+                         (substitute-command-keys
+                          (ert-test-documentation test)))
                         'font-lock-face 'font-lock-doc-face)
                        "\n"))
              (cl-etypecase result
@@ -2063,7 +2065,7 @@ and how to display message."
     "--"
     ["Show backtrace" ert-results-pop-to-backtrace-for-test-at-point]
     ["Show messages" ert-results-pop-to-messages-for-test-at-point]
-    ["Show `should' forms" ert-results-pop-to-should-forms-for-test-at-point]
+    ["Show ‘should’ forms" ert-results-pop-to-should-forms-for-test-at-point]
     ["Describe test" ert-results-describe-test-at-point]
     "--"
     ["Delete test" ert-delete-test]
@@ -2375,9 +2377,9 @@ To be used in the ERT results buffer."
            (ert--print-backtrace backtrace)
            (debugger-make-xrefs)
            (goto-char (point-min))
-           (insert "Backtrace for test `")
+           (insert "Backtrace for test ‘")
            (ert-insert-test-name-button (ert-test-name test))
-           (insert "':\n")))))))
+           (insert "’:\n")))))))
 
 (defun ert-results-pop-to-messages-for-test-at-point ()
   "Display the part of the *Messages* buffer generated during the test at point.
@@ -2396,9 +2398,9 @@ To be used in the ERT results buffer."
         (ert-simple-view-mode)
         (insert (ert-test-result-messages result))
         (goto-char (point-min))
-        (insert "Messages for test `")
+        (insert "Messages for test ‘")
         (ert-insert-test-name-button (ert-test-name test))
-        (insert "':\n")))))
+        (insert "’:\n")))))
 
 (defun ert-results-pop-to-should-forms-for-test-at-point ()
   "Display the list of `should' forms executed during the test at point.
@@ -2426,9 +2428,9 @@ To be used in the ERT results buffer."
                      (ert--pp-with-indentation-and-newline form-description)
                      (ert--make-xrefs-region begin (point)))))
         (goto-char (point-min))
-        (insert "`should' forms executed during test `")
+        (insert "‘should’ forms executed during test ‘")
         (ert-insert-test-name-button (ert-test-name test))
-        (insert "':\n")
+        (insert "’:\n")
         (insert "\n")
         (insert (concat "(Values are shallow copies and may have "
                         "looked different during the test if they\n"
@@ -2505,9 +2507,9 @@ To be used in the ERT results buffer."
           (let ((file-name (and test-name
                                 (symbol-file test-name 'ert-deftest))))
             (when file-name
-              (insert " defined in `" (file-name-nondirectory file-name) "'")
+              (insert " defined in ‘" (file-name-nondirectory file-name) "’")
               (save-excursion
-                (re-search-backward "`\\([^`']+\\)'" nil t)
+                (re-search-backward "‘\\([^‘’]+\\)’" nil t)
                 (help-xref-button 1 'help-function-def test-name file-name)))
             (insert ".")
             (fill-region-as-paragraph (point-min) (point))
@@ -2519,8 +2521,9 @@ To be used in the ERT results buffer."
                         "this documentation refers to an old definition.")
                 (fill-region-as-paragraph begin (point)))
               (insert "\n\n"))
-            (insert (or (ert-test-documentation test-definition)
-                        "It is not documented.")
+            (insert (substitute-command-keys
+                     (or (ert-test-documentation test-definition)
+                         "It is not documented."))
                     "\n")))))))
 
 (defun ert-results-describe-test-at-point ()
diff --git a/test/automated/ert-x-tests.el b/test/automated/ert-x-tests.el
index 81d0f7c65c6..617213386e2 100644
--- a/test/automated/ert-x-tests.el
+++ b/test/automated/ert-x-tests.el
@@ -195,8 +195,9 @@
           (let ((case-fold-search nil))
             (should (string-match (concat
                                    "\\`ert-test-describe-test is a test"
-                                   " defined in `ert-x-tests.elc?'\\.\n\n"
-                                   "Tests `ert-describe-test'\\.\n\\'")
+                                   " defined in"
+                                   " [`‘]ert-x-tests.elc?['’]\\.\n\n"
+                                   "Tests [`‘]ert-describe-test['’]\\.\n\\'")
                                   (buffer-string)))))))))
 
 (ert-deftest ert-test-message-log-truncation ()