diff options
Diffstat (limited to 'modules/latex-config.el')
| -rw-r--r-- | modules/latex-config.el | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/modules/latex-config.el b/modules/latex-config.el index 8636e2cd..0db21f2f 100644 --- a/modules/latex-config.el +++ b/modules/latex-config.el @@ -44,15 +44,18 @@ (declare-function pdf-view-mode "pdf-view") (defun cj/--latex-select-pdf-viewer () - "Push the first available external PDF viewer onto `TeX-view-program-selection'. -Falls back to PDF Tools when no external viewer is on PATH. The new -selection is consed onto the head of the alist so it wins over any -default. Idempotent: re-running picks the same viewer." + "Select the first available external PDF viewer for `output-pdf'. +Falls back to PDF Tools when no external viewer is on PATH. Any existing +`output-pdf' entry is dropped first, then the chosen viewer is consed onto +the head so it wins over any default. Idempotent: re-running leaves a +single entry." (let* ((found (cl-find-if (lambda (entry) (executable-find (car entry))) cj/--latex-pdf-viewer-candidates)) (viewer-name (if found (cdr found) "PDF Tools"))) - (push (list 'output-pdf viewer-name) TeX-view-program-selection))) + (setq TeX-view-program-selection + (cons (list 'output-pdf viewer-name) + (assq-delete-all 'output-pdf TeX-view-program-selection))))) ;; ----------------------------- Auctex And Related ---------------------------- |