1 files changed, 14 insertions, 0 deletions

diff --git a/lisp/calc/calc.el b/lisp/calc/calc.el
index 99857ce05a0..24336ad9333 100644
--- a/lisp/calc/calc.el
+++ b/lisp/calc/calc.el
@@ -717,6 +717,20 @@ If nil, selections displayed but ignored.")
 (defvar var-gamma '(special-const (math-gamma-const)))
 (defvar var-Modes '(special-const (math-get-modes-vec)))
 
+(defvar calc-language-alist
+  '((latex-mode . latex)
+    (tex-mode   . tex)
+    (plain-tex-mode . tex)
+    (context-mode . tex)
+    (nroff-mode . eqn)
+    (pascal-mode . pascal)
+    (c-mode . c)
+    (c++-mode . c)
+    (fortran-mode . fortran)
+    (f90-mode . fortran))
+  "Alist of major modes with appropriate Calc languages.")
+
+
 (mapcar (lambda (v) (or (boundp v) (set v nil)))
           calc-local-var-list)