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bug#25446: 26.0.50; [PATCH] Fix undeclared FOO-mode-{syntax,abbrev}-tabl


From: npostavs
Subject: bug#25446: 26.0.50; [PATCH] Fix undeclared FOO-mode-{syntax,abbrev}-table warnings
Date: Sat, 14 Jan 2017 02:05:06 -0500

Tags: patch
Severity: minor

Since [1: 8db7b65] there have been a lot of "reference to free variable
`FOO-mode-syntax-table'" and `FOO-mode-abbtrev-table' warnings during
compilation.

>From bcbe6eb903d3874c3cc1fe9ab48b8a2dc9e00abb Mon Sep 17 00:00:00 2001
From: Noam Postavsky <address@hidden>
Date: Sat, 14 Jan 2017 01:47:52 -0500
Subject: [PATCH v1] Fix undeclared syntax- and abbrev- table warnings

* lisp/emacs-lisp/derived.el (define-derived-mode): Unconditionally
defvar the syntax and abbrev tables so that the compiler will know that
they are dynamically bound variables.
---
 lisp/emacs-lisp/derived.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index 762c762..fffe972 100644
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -216,6 +216,7 @@ define-derived-mode
              (purecopy ,(format "Keymap for `%s'." child))))
        ,(if declare-syntax
            `(progn
+               (defvar ,syntax)
               (unless (boundp ',syntax)
                 (put ',syntax 'definition-name ',child)
                 (defvar ,syntax (make-syntax-table)))
@@ -224,6 +225,7 @@ define-derived-mode
                      (purecopy ,(format "Syntax table for `%s'." child))))))
        ,(if declare-abbrev
            `(progn
+               (defvar ,abbrev)
               (unless (boundp ',abbrev)
                 (put ',abbrev 'definition-name ',child)
                 (defvar ,abbrev
-- 
2.9.3


1: 2016-12-12 20:03:20 -0500 8db7b65d66f01e90a05cc9f11c67667233d84ca0
  Minor fix for define-derived-mode

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