The Stacks project

Fix statement lemma

Thanks to P. Licht
https://stacks.math.columbia.edu/tag/025U#comment-5432

LaTeX: \Sch

	Introduced a new macro

	\def\Sch{\textit{Sch}}

	and replaced all the occurences of \textit{Sch} with \Sch.

Latex: get rid of some overfull boxes

	modified:   algebraic.tex
	modified:   chow.tex
	modified:   coherent.tex
	modified:   cohomology.tex
	modified:   constructions.tex
	modified:   descent.tex
	modified:   desirables.tex
	modified:   divisors.tex
	modified:   etale.tex
	modified:   examples-stacks.tex
	modified:   examples.tex
	modified:   exercises.tex
	modified:   fdl.tex
	modified:   homology.tex
	modified:   hypercovering.tex
	modified:   modules.tex
	modified:   morphisms.tex
	modified:   properties.tex
	modified:   schemes.tex
	modified:   simplicial.tex
	modified:   sites.tex
	modified:   spaces.tex
	modified:   topologies.tex
	modified:   varieties.tex

Added new tags to stacks project

	modified:   tags/tags

OK, so finally we have the theorem that any etale equivalence relation
gives rise to an algebraic space

	modified:   fpqc-descent.tex
	modified:   more-morphisms.tex
	modified:   morphisms.tex
	modified:   schemes.tex
	modified:   spaces.tex