bug#35967: [PATCH] avoid flyspell error if point is at bob

[Alex Branham <alex.branham@gmail.com>]

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On Tue 11 Jun 2019 at 09:39, Eli Zaretskii <eliz@gnu.org> wrote:

>> From: npostavs@gmail.com
>> Cc: Alex Branham <alex.branham@gmail.com>,  35967@debbugs.gnu.org
>> Date: Tue, 11 Jun 2019 10:12:12 -0400
>>
>> it seems fairly easy to remember that bobp should treat a narrowed
>> buffer the same way that beginning-of-buffer will.
>
> Not for this old curmudgeon, evidently.

Here's a new patch that checks for (equal (point) 1) rather than using
bobp. OK to push to master?

Alex


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From c7d7ccaf5b94a1146e4664ec21564f982686fcab Mon Sep 17 00:00:00 2001
From: Alex Branham <alex.branham@gmail.com>
Date: Fri, 14 Jun 2019 13:15:36 -0500
Subject: [PATCH] Avoid a flyspell error if point is at beginning of buffer

* lisp/textmodes/flyspell.el (flyspell-generic-progmode-verify): Check
if point is at the beginning of the buffer.  This prevents an error
when e.g. 'flyspell-auto-correct-word' gets called with point at the
beginning of the buffer.
---
 lisp/textmodes/flyspell.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lisp/textmodes/flyspell.el b/lisp/textmodes/flyspell.el
index d18916dfd0..7237a0f8ab 100644
--- a/lisp/textmodes/flyspell.el
+++ b/lisp/textmodes/flyspell.el
@@ -423,9 +423,10 @@ flyspell-prog-text-faces
 
 (defun flyspell-generic-progmode-verify ()
   "Used for `flyspell-generic-check-word-predicate' in programming modes."
-  ;; (point) is next char after the word. Must check one char before.
-  (let ((f (get-text-property (- (point) 1) 'face)))
-    (memq f flyspell-prog-text-faces)))
+  (unless (eql (point) 1)
+    ;; (point) is next char after the word. Must check one char before.
+    (let ((f (get-text-property (- (point) 1) 'face)))
+      (memq f flyspell-prog-text-faces))))
 
 ;; Records the binding of M-TAB in effect before flyspell was activated.
 (defvar flyspell--prev-meta-tab-binding)
-- 
2.21.0