singlespacing in table with no indent

Question

I'm trying to make a table that is as wide as the textwidth singlespaced with etoolbox's \AtBeginEnvironment but that somehow gets rid of the \noindent that I issued before.

\documentclass{report} 
\usepackage{array,setspace,booktabs,tabularx,etoolbox}
\AtBeginEnvironment{tabularx}{\singlespacing\renewcommand{\arraystretch}{1.3}}
\usepackage{lipsum}
\begin{document}
\lipsum[1-2]
\noindent
\begin{tabularx}{\linewidth}{ @{} p{3em} X @{} } 
\toprule
  Table  & Example \\
  Table  & Example \\
\bottomrule
\end{tabularx}

Any idea how to fix that?

Your issuing of \singlespacing the \arraystretch redefinition comes too late anyway. — Werner, Dec 04 '16 at 19:27
@Werner Hmm, it does do it though, I mean the spacing. Only the indent. When I don't use etoolbox it's fine but where would I issue the singlespacing then? — jan, Dec 04 '16 at 19:32
@Werner Yeah, the rest is doublespaced, sorry, I didn't put that in the MWE (it's in the class) — jan, Dec 04 '16 at 19:42
Even if you use \noindent\singlespacing the indent appears. You can put \singlespacing\noindent to again force a \noindent. — Werner, Dec 04 '16 at 19:44
Oh I see, that works, thank you! So it's the \singlespacing that causes the problem. — jan, Dec 04 '16 at 19:46

score 1 · Accepted Answer · edited Apr 13 '17 at 12:35

\singlespacing ignores the use of \noindent. If you want to insert content as part of `tabularx, redefine it as part of a new environment:

\documentclass{article}

\usepackage{setspace,tabularx,lipsum}

\let\oldtabularx\tabularx
\let\endoldtabularx\endtabularx
\renewenvironment{tabularx}[2]
  {\singlespacing
   \noindent
   \oldtabularx{#1}{#2}}% https://tex.stackexchange.com/a/42331/5764
  {\endoldtabularx}

\begin{document}

\doublespacing
\lipsum[1]

\begin{tabularx}{\linewidth}{ @{} p{3em} X @{} } 
  \hline
  Table  & Example \\
  Table  & Example \\
  \hline
\end{tabularx}

\end{document}

singlespacing in table with no indent

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