Re: feature/fix-the-long-lines-display-bug e7b5912b23: Improvements to long lines handling.

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>,  emacs-devel@gnu.org,  gregory@heytings.org
> Gmane-Reply-To-List: yes
> Date: Sun, 24 Jul 2022 13:14:21 +0200
> 
> Apropos, is there an ʼupdating pdumper stuff for dummiesʼ guide
> somewhere? Something along the lines of:
>  - if you add an int to struct <foo>, do <bar>
>  - if you add a Lisp_Object to struct <baz>, do <frot>
> 
> I ask, because Iʼm playing with struct buffer_text, and Iʼm very
> successfully causing 'failure to dump' :-)

The error message points you to the comment in config.h that is
supposed to be the "updating pdumper stuff for dummies" guide:

  error: #error "buffer changed. See CHECK_STRUCTS comment in config.h."