for example:


\title{My Title}
  Author One$^1$ \\ Author Two$^2$ 
    \normalsize{$^1$Organization 1}\\
    \normalsize{$^2$Organization 2}\\
    \normalsize{Emails: [email protected], [email protected]}\\



enter image description here

You can see that there are many lines that are not marked with line numbers. I want to know the reason.

  • 1
    \parbox and minipage also count as one line each. Commented Dec 30, 2021 at 4:09
  • Off-topic: \normalsize is a switch and does not take an argument. Hence, instead of \normalsize{$^1$Organization 1}, you may want to write {\normalsize $^1$Organization 1}.
    – Mico
    Commented Dec 30, 2021 at 4:28

1 Answer 1


I want to know the reason.

The article document class (cf. the file article.cls) typesets the author block, i.e., the argument of the \author macro -- as the contents of a top-aligned single-column tabular environment:

      \lineskip .75em%

An outside package such as lineno doesn't have the means to "peek" inside this tabular environment to determine how many rows may be inside. To the lineno package, the entire tabular environment looks like a (rather tall) monolith. That's why just one line number is assigned to the entire author block.

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