Subject: Re: bug#30726: [26.0.91 9] optimistic forward-sexp

From: Andreas Röhler <[email-masked]>
Date: Tue, 6 Mar 2018 11:43:11 +0100

On 06.03.2018 08:47, Glenn Morris wrote:
> Andreas Röhler wrote:
> 
>> https://emacs.stackexchange.com/questions/39253/sh-mode-scan-error-containing-expression-ends-prematurely
> 
> Already reported as bug#30721.
> (It would be great if people forwarding other people's stackexchange
> issues would do basic checks first.)
> 
>> Error occurs when forward-sexp is called from closing paren at last
>> line of example code below
>>
>> (echo '#!/bin/bash'
>> echo 'myfunc() {'
>> echo "cat <<'z'"
>> seq 135
>> echo zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
>> echo z
>> echo '}') >out
> 
> Note that the OP meant you to run that as shell code to generate a file,
> "out", and then visit it.
> 
> You appear to have discovered that using forward-sexp inside eg
> 
> (
> 
> )
> 
> will print "containing expression ends prematurely" ?
> 

Right. Which it shouldn't IMO, but navigate sexp's until EOB is reached.