# Wrong space with \footnotemark

I am using \footnotemark, but the space after the mark is smaller than the space I obtain when I use regular \footnote. How can I obtain the usual space after \footnote? See example below.

\documentclass{report}
\begin{document}

Phrase. Standard without footnote.

Phrase.\footnote{foot1}
With footnote.

Phrase.\footnotemark\ %
Smaller with footnotemark;
how can I correct it?
\footnotetext{foot2}

Phrase.\footnotemark
Definitively wrong.
\footnotetext{foot3}

\end{document}


Edit: Thanks for all the answers. I will accept the first one, and vote the rest.

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An empty group {} after the \footnotemark seems to do the trick.

\documentclass{report}
\begin{document}
Phrase. Standard without footnote.

Phrase.\footnote{foot1}
With footnote.

Phrase.\footnotemark{}
Smaller with footnotemark;
how can I correct it?
\footnotetext{foot2}
\end{document}

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After \footnote{}, TeX sets the newline as if it were a normal space. With \footnotemark, the newline gets gobbled. Your intuition was right in making the space explicit using \ , but the problem is that \  is not exactly the same as a normal space – it also overrides how TeX adds extra space at the end of sentences.

So the solution is to use \footnotemark{} or {\footnotemark}. That way, TeX doesn't gobble the space in the first place.

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instead of inserting a control space

Phrase.\footnotemark\ %


use a null group so that tex will

Phrase.\footnotemark{}


do the "right thing" with the space following a period.

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The definition of \footnotemark essentially does as follows:

1. Compute the footnote number
2. Start LR mode (we want to be inside a paragraph)
3. Save the current "space factor"
4. Don't break a line here
5. Print the footnote mark
6. Restore the space factor that was saved

However, \  inserts the amount of space that would be inserted when the space factor is 1000 (by rule), so the space factor that was saved is ignored with

end of the phrase.\footnotemark\ Text that follows ...


This doesn't happen with

end of the phrase.\footnotemark{} Text that follows ...


as {} gets ignored and doesn't influence the space factor computations.

Even if DEK tells that \  is OK after a text producing control sequence in mid paragraph, I usually recommend terminating them with {}.

If one says \frenchspacing and ignores all the business about the space factor and "double spaces after periods", then such problems wouldn't arise.

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