bug#37459: Adds backslash as escape character to mysql syntax-alist

[Stefan Kangas <stefan@marxist.se>]

Hi Michael,

Kristian Hole <kristian@hole.priv.no> writes:

> I've generated patches for takeaways (1) and (2) 
>
> Patch attached to previous message:
>   Corrects sql-mode help about escape character syntax
>
>   Changes the example from the incorrect use of
>   punctuation rule, to the escape character rule (Bug#37459).
>
> This patch:
>   Adds backslash as escape character to mysql syntax-alist
>
>   In MySQL syntax backslash denotes an escape sequence.
>   This change adds backslash to the syntax-alist of
>   MySQL in sql-mode as per (Bug#37459).

Could you please take a look at the below patch?  TIA.

Best regards,
Stefan Kangas

>
> From 4953d7bb249502fd8d87295b81bd381e70134fc0 Mon Sep 17 00:00:00 2001
> From: kahole <kristian@hole.priv.no>
> Date: Sat, 26 Oct 2019 17:08:17 +0200
> Subject: [PATCH 2/2] Adds backslash as escape character to mysql syntax-alist
>
> In MySQL syntax backslash denotes an escape sequence.
> This change adds backslash to the syntax-alist of
> MySQL in sql-mode as per (Bug#37459).
> ---
>  lisp/progmodes/sql.el | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lisp/progmodes/sql.el b/lisp/progmodes/sql.el
> index f985157202..81e0d8cf89 100644
> --- a/lisp/progmodes/sql.el
> +++ b/lisp/progmodes/sql.el
> @@ -461,7 +461,7 @@ sql-product-alist
>       :prompt-regexp "^mysql> "
>       :prompt-length 6
>       :prompt-cont-regexp "^    -> "
> -     :syntax-alist ((?# . "< b"))
> +     :syntax-alist ((?# . "< b") (?\\ . "\\"))
>       :input-filter sql-remove-tabs-filter)
>  
>      (oracle