emacs-27 db37dd2: Don't misinterpret doc string as initial value

[Mattias Engdegård]

branch: emacs-27
commit db37dd2e84573ceb2fc037dab040b79880ca298c
Author: Mattias Engdegård <address@hidden>
Commit: Mattias Engdegård <address@hidden>

    Don't misinterpret doc string as initial value
    
    * lisp/loadhist.el (loadhist--restore-autoload):
    * lisp/progmodes/vhdl-mode.el (vhdl-font-lock-keywords-0):
    Prevent the doc string from being used as initial value.
---
 lisp/loadhist.el            | 2 +-
 lisp/progmodes/vhdl-mode.el | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/loadhist.el b/lisp/loadhist.el
index dabc8b9..a1ff2f6 100644
--- a/lisp/loadhist.el
+++ b/lisp/loadhist.el
@@ -173,7 +173,7 @@ documentation of `unload-feature' for details.")
 ;; we undefine it.
 ;; So we use this auxiliary variable to keep track of the last (t . SYMBOL)
 ;; that occurred.
-(defvar loadhist--restore-autoload
+(defvar loadhist--restore-autoload nil
   "If non-nil, this is a symbol for which we should
 restore a previous autoload if possible.")
 
diff --git a/lisp/progmodes/vhdl-mode.el b/lisp/progmodes/vhdl-mode.el
index b225a9b..de56f58 100644
--- a/lisp/progmodes/vhdl-mode.el
+++ b/lisp/progmodes/vhdl-mode.el
@@ -13334,7 +13334,7 @@ File statistics: \"%s\"\n\
 (defvar vhdl-font-lock-keywords nil
   "Regular expressions to highlight in VHDL Mode.")
 
-(defvar vhdl-font-lock-keywords-0
+(defvar vhdl-font-lock-keywords-0 nil
   ;; set in `vhdl-font-lock-init' because dependent on user options
   "For consideration as a value of `vhdl-font-lock-keywords'.
 This does highlighting of template prompts and directives (pragmas).")