To his surprise, a chain reaction ensued and the ‘letter’ was copied, recopied, and recopied again.

Usually, it’s pulled directly from the article itself.

(to avoid spam, you need to manually type the e-mail address)

Someone asked this on math.stackexchange and this was my answer.

Time and again the Bible was copied, centuries before the invention of the art of printing; time and again it was copied, because the material became old.

It turned out that it was a typographical error that was missed.

It can be purchased for any chosen insurance company.

BUT, only a certain subset should be transfered to the slave servers

Yet that information is available, ready for the taking.

The answer could very well come down to budget cuts.

Information is often quoted, its source rarely cited.

In an extreme case, a cell may be totally enclosing another one.

In one second, combined with the breath talked about below,

The entire HFSQL context is copied (filter, search condition, ...).

This seems to be a typographical error that has become fixed.