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changed the statement and the proof 2017-03-08 a08872c
Comparing small and big etale sites

Improve the exposition and fix an error

The error was that the restriction from modules on the big etale
site of a scheme to the small etale site does not send injective
modules to injective modules. Made a counterexample. This error
does not affect anything else in the Stacks project. It occurs
in another location which we fix in the next commit.
assigned tag 09XN 2014-01-14 ffbd94d
Tags: Added new tags
created statement with label lemma-describe-pullback in etale-cohomology.tex 2014-01-12 8855bbc
Pullback from small etale site to big etale site is fpqc sheaf