[pdftex] Plain TeX commands.

[Hans Hagen]

John R. Culleton wrote:
> Pdftex is based on the original TeX plus plain.tex combination as
> described in the TeXbook. In pdftex some of the functionality of
> older plain.tex commands has been replaced by newer ones. An example is
> \hoffset which is no longer needed. 
> 
> My question is this: laying aside \special commands for the
> moment, are there plain TeX cammands that no longer exist at all
> in pdftex? Is there a list of them somewhere?

pdftex is just s super set of tex, so all primitives are there; plain is a macro 
package and when loaded on top of pdftex, you have the same functionality as 
with normal tex

Hans


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