Taco Hoekwater wrote:
A functional equivalent macro of \quitvmode is:
\protected\def\quitvmode{\ifvmode \indent \fi }
but that only works when e-TeX is enabled.
or better: \protected\def\quitvmode{\ifvmode \primitive \indent \fi }
In a traditional TeX, the \if test will sometiems be executed at the wrong time, or you end up with undesired side-effects like \relax tokens.
So yes, the primitive is unneeded in 'pdfetex', but it was really needed when there still was a non-etex pdftex.
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