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I have downloaded the elsarticle template (Previously installing the package), and just opening and executing the raw template (As downloaded from El Sevier, without editing) I have two commands shaded in red: "\ead" and "begin{keyword}". It says "Unrecognized command" and "Unrecognized environment" respectively.

However, when executing the code, I get no errors. Why is this happening?

I'm supposed to ignore this errors, because my code is executing normally, but these errors make me to suspect that Im doing something wrong.

Thanks in advance!

\documentclass[review]{elsarticle}

\usepackage{lineno,hyperref}
\modulolinenumbers[5]

\journal{Journal of \LaTeX\ Templates}

%% `Elsevier LaTeX' style
\bibliographystyle{elsarticle-num}
%%%%%%%%%%%%%%%%%%%%%%%

\begin{document}

\begin{frontmatter}

\title{Elsevier \LaTeX\ template\tnoteref{mytitlenote}}

\author[mymainaddress,mysecondaryaddress]{Elsevier Inc}
\ead[url]{www.elsevier.com}

\begin{keyword}
\texttt{elsarticle.cls}\sep \LaTeX\sep Elsevier \sep template
\MSC[2010] 00-01\sep  99-00
\end{keyword}

\end{frontmatter}
Víctor Rodríguez
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  • Welcome to TeX.SE. Which front-end editing program do you employ? – Mico Oct 10 '19 at 18:24
  • Hi Mico! Thank you, Im using TeXstudio – Víctor Rodríguez Oct 10 '19 at 18:30
  • The issue you describe does not appear to be due to a compilation error. Instead, it looks like TeXstudio colors two environment and the macro simply because they haven't been entered into the program's database of known commands and environments. I don't use TeXstudio myself, but I believe that it's straightforward to augment its database of known command names and environment names. – Mico Oct 10 '19 at 20:39
  • I think that it is a bug of TeXstudio or something like that. Look at this link https://tex.stackexchange.com/questions/47741/problems-with-environments-in-texstudio – Víctor Rodríguez Oct 11 '19 at 08:30

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