LaTeX: Avoid the increase of text row height due to inline math

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In the following example code the height of the second row of text increases due to the presence of the inline math formula:

\documentclass{article}
\linespread{0.9}
\begin{document}
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. 
Ut purus elit, vestibulum ut, placerat ac, adipiscing vitae, 
felis. $A_n^{\{x\}}$ Curabitur dictum gravida mauris. Nam arcu 
libero, nonummy eget, consectetuer id, vulputate a, magna. 
\end{document}

Image

How can this be avoided without changing the general linespread, so that the height of the second row is identical to that of the other rows?

spacing row-height latex
1 Answers

You can \smash the inline math formula:

enter image description here

\documentclass{article}

\begin{document}

% Default layout/spacing
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. 
Ut purus elit, vestibulum ut, placerat ac, adipiscing vitae, 
felis. $A_n^{\{x\}}$ Curabitur dictum gravida mauris. Nam arcu 
libero, nonummy eget, consectetuer id, vulputate a, magna. 

% Smashed inline math
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. 
Ut purus elit, vestibulum ut, placerat ac, adipiscing vitae, 
felis. \smash{$A_n^{\{x\}}$} Curabitur dictum gravida mauris. Nam arcu 
libero, nonummy eget, consectetuer id, vulputate a, magna. 

\end{document}

However, it's obvious that tall [deep] inline expressions may butt into descenders [ascenders] of the line above [below].

user_9146860
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