[texhax] xcolor package puzzle

David Carlisle d.p.carlisle at gmail.com
Fri Oct 12 14:59:37 CEST 2018

On Fri, 12 Oct 2018 at 13:45, Peter Flynn <peter at silmaril.ie> wrote:
> On 09/10/18 11:21, David Carlisle wrote:
> >> How does the latter avoid being ambiguous as to which package it applies?
> >
> > It is a general latex feature that documentclass options are "global
> > options" that are passed to every package (but silently ignored by
> > packages that do not declare that option)
> Do you recall when that became the behaviour (version)?
> Was it in LeTeX 2e from the start?

yes from before the start, it was already in the initial sketches of
the package interface.

> And are there packages which will gag on it?

no (they may fail for other reasons, but not for this)
> ///Peter
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