[elpa] externals/auctex f676608 5/7: Fix parsing of LaTeX2e date formats

[Tassilo Horn]

branch: externals/auctex
commit f676608d578a98986365f658d2c179987f1ba4e3
Author: Mosè Giordano <address@hidden>
Commit: Mosè Giordano <address@hidden>

    Fix parsing of LaTeX2e date formats
    
    * tex-buf.el (TeX-LaTeX-sentinel): Support ISO date format, now used by
    LaTeX2e.  Reported by Uwe Siart.
    * tests/tex/error-parsing.el (TeX-LaTeX2e-date): Add a test for LaTeX2e date
    formats.
---
 tests/tex/error-parsing.el | 22 ++++++++++++++++++++++
 tex-buf.el                 |  2 +-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/tests/tex/error-parsing.el b/tests/tex/error-parsing.el
index f15f3ac..ed34409 100644
--- a/tests/tex/error-parsing.el
+++ b/tests/tex/error-parsing.el
@@ -117,4 +117,26 @@ ABD: EveryShipout initializing macros"
              (warning "./test.tex" nil "LaTeX Warning: There were undefined 
references."
               0 "LaTeX Warning: There were undefined references.\n" nil nil 
nil 2741 nil)))))
 
+;; See https://lists.gnu.org/archive/html/auctex/2017-04/msg00007.html.
+(ert-deftest TeX-LaTeX2e-date ()
+  "Test parsing of different LaTeX2e date formats."
+  (should
+   (equal
+    (with-temp-buffer
+      (insert "LaTeX2e <2017-04-15>")
+      (goto-char (point-min))
+      (let ((TeX-command-buffer (buffer-name)))
+       (TeX-LaTeX-sentinel nil "LaTeX")
+       TeX-command-next))
+    "View"))
+  (should
+   (equal
+    (with-temp-buffer
+      (insert "LaTeX2e <2017/01/01> patch level 3")
+      (goto-char (point-min))
+      (let ((TeX-command-buffer (buffer-name)))
+       (TeX-LaTeX-sentinel nil "LaTeX")
+       TeX-command-next))
+    "View")))
+
 ;;; error-parsing.el ends here
diff --git a/tex-buf.el b/tex-buf.el
index 759aa35..8c9c7ef 100644
--- a/tex-buf.el
+++ b/tex-buf.el
@@ -1582,7 +1582,7 @@ Rerun to get mark in right position\\." nil t)
         (setq TeX-command-next TeX-command-default))
        ((re-search-forward
          "^\\(\\*\\* \\)?J?I?p?\\(La\\|Sli\\)TeX\\(2e\\)? \
-\\(Version\\|ver\\.\\|<[0-9/]*\\(?:u[^>]*\\)?>\\)" nil t)
+\\(Version\\|ver\\.\\|<[0-9/-]*\\(?:u[^>]*\\)?>\\)" nil t)
         (let* ((warnings (and TeX-debug-warnings
                               (TeX-LaTeX-sentinel-has-warnings)))
                (bad-boxes (and TeX-debug-bad-boxes