branch: externals/auctex
commit 11af8e60b1b3f66145518be9484f3fb371ccf171
Author: Mosè Giordano <m...@gnu.org>
Commit: Mosè Giordano <m...@gnu.org>
Improve has-no-display-manager predicate
* tex.el (TeX-view-predicate-list-bultin): For
`has-no-display-manager' predicate, use the current test only for
old Emacsen, otherwise employ `display-graphic-p'. Suggested by
Santiago Saavedra.
---
ChangeLog | 7 +++++++
tex.el | 6 +++++-
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 8d03381..74a45c1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-11-12 Mos� Giordano <m...@gnu.org>
+
+ * tex.el (TeX-view-predicate-list-bultin): For
+ `has-no-display-manager' predicate, use the current test only for
+ old Emacsen, otherwise employ `display-graphic-p'. Suggested by
+ Santiago Saavedra.
+
2015-11-11 Mos� Giordano <m...@gnu.org>
* tests/latex/latex-test.el (LaTeX-math-indent)
diff --git a/tex.el b/tex.el
index f4ecfec..ce0c344 100644
--- a/tex.el
+++ b/tex.el
@@ -1117,7 +1117,11 @@ all the regular expressions must match for the element
to apply."
(output-html
(string-match "html" (TeX-output-extension)))
(has-no-display-manager
- (not (or window-system (getenv "DISPLAY"))))
+ ;; Compatibility for Emacs <= 22: older Emacsen don't have FRAME argument
+ ;; to `getenv', later versions have the `display-graphic-p' function.
+ (not (if (< emacs-major-version 23)
+ (or window-system (getenv "DISPLAY"))
+ (display-graphic-p))))
(style-pstricks
(TeX-match-style "^pstricks$\\|^pst-\\|^psfrag$"))
(engine-omega
