org-e-groff, org-e-man, org-e-texinfo: Silence byte-compiler

contrib/lisp/org-e-groff.el

@@ -40,6 +40,7 @@
 (eval-when-compile (require 'cl))
 (require 'org-export)
 
+(defvar orgtbl-exp-regexp)
 
 
 ;;; Define Back-End

contrib/lisp/org-e-man.el

@@ -43,6 +43,7 @@
 
 (defvar org-export-man-default-packages-alist)
 (defvar org-export-man-packages-alist)
+(defvar orgtbl-exp-regexp)
 
 
 

contrib/lisp/org-e-texinfo.el

@@ -1537,7 +1537,7 @@ a communication channel."
 				 (end (org-element-property :contents-end ref))
 				 (length (- end start)))
 			    length)) row) cells))
-    (setq cells (remove-if #'null cells))
+    (setq cells (org-remove-if 'null cells))
     (push (loop for count from 0 to (- number-cells 1) collect
 		(loop for item in cells collect
 		      (nth count item))) counts)