Re: PATCH: Removing aliases from history, 2015 style

[Peter Stephenson <p.stephenson@xxxxxxxxxxx>]

On Fri, 27 Mar 2015 08:25:15 -0700
Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
> On Mar 27, 10:06am, Peter Stephenson wrote:
> } Subject: Re: PATCH: Removing aliases from history, 2015 style
> }
> } it looks like I've managed to make that work less well when
> } interrupted.  If I ^C during the history read I get
> } 
> } ^CWarning: backing up wrong character.
> 
> That's probably an unintended side-effect of 34543.  Try this:
> 
> diff --git a/Src/lex.c b/Src/lex.c
> index 6d0079c..4d8355b 100644
> --- a/Src/lex.c
> +++ b/Src/lex.c
> @@ -513,7 +513,7 @@ cmd_or_math(int cs_type)
>      /* else unsuccessful: unget the whole thing */
>      hungetc(c);
>      lexstop = 0;
> -    while (lexbuf.len > oldlen && !errflag) {
> +    while (lexbuf.len > oldlen && !(errflag & ERRFLAG_ERROR)) {
>  	lexbuf.len--;
>  	hungetc(itok(*--lexbuf.ptr) ?
>  		ztokens[*lexbuf.ptr - Pound] : *lexbuf.ptr);

That doesn't seem to make a major difference --- I can't rule out the
possibility it perturbs the error messages a bit but they look similar
to the naked eye.

pws