Re: [PATCH] treewide: Add \noindent where necessary

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

On Sun, Sep 04, 2016 at 11:53:53PM +0900, Akira Yokosawa wrote:
> On 2016/09/04 02:58:21 -0700, Paul E. McKenney wrote:
> > On Sun, Sep 04, 2016 at 08:44:27AM +0900, Akira Yokosawa wrote:
> >> >From e11254e95c6d33eaf999a1e1c4831af2e141fb91 Mon Sep 17 00:00:00 2001
> >> From: Akira Yokosawa <akiyks@gmail.com>
> >> Date: Sun, 4 Sep 2016 08:01:50 +0900
> >> Subject: [PATCH] treewide: Add \noindent where necessary
> >>
> >> Since commit 213f584cd55b ("Add a few epigraphs") and following
> >> commits, implicit no-indentation of first paragraph of a Chapter
> >> has been lost.
> >>
> >> This commit adds explicit "\noindent" after \epigraph{}s.
> >>
> >> It also adds "\noindent" where some environment is used just
> >> after "\section{}", "subsection{}", or "subsubsection{}.
> >>
> >> Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
> > 
> > Good eyes!  I honestly had not noticed.
> 
> Well, now I know why.  In the two-column layout, there was no change
> in indentation of the first paragraph of a chapter...
> I suppose you mostly see the two-column layout so it's natural you
> didn't see any difference.
> 
> I don't know why, but when you specify "twocolumn" option to the "book"
> documentclass, the first paragraph of a chapter *is* indented.
> 
> I noticed the difference in perfbook-1c.pdf first, and wrongly assumed
> it was also the case in two-column layout.
> 
> Sorry for my confusion.
> 
> I have no idea if the behavior of twocolumn option is intended or not.
> 
> So the addition of epigraphs actually made the indentation consistent
> in both two-column and one-column layout.
> 
> I can resubmit a patch that only changes at the first paragraphs of
> sections.
> 
> > 
> > But wouldn't it make more sense to fix the epigraph package?  For that
> > matter, what exactly are the rules regarding epigraphs and indentation
> > of first paragraphs and chapters?
> 
> \epigraph{} command does have this side-effect in one-column layout.
> I found several examples where people use \noindent after \epigraph{},
> but there seems to be no strong rules here.
> 
> So just doing consistently can be said of as the rule.
> It's the editor's call, I think.

When there is no clear rule, as in this case, we should let the tool
(in this case, LaTeX) be our guide.  ;-)

							Thanx, Paul