:32377488 Here is the code \documentclass[14pt]{book}
\usepackage[margin=0.5cm]{geometry}
\usepackage{titlesec}
\usepackage{polyglossia}
\usepackage{fontspec}
%\defaultfontfeatures{Ligatures=TeX}
\setmainlanguage{brazil}
\usepackage{hyperref}
%\usepackage{longtable}
\usepackage{expex}
\usepackage{epltxfn}
\setmainfont{Arial Unicode MS}
\makeatletter
\usepackage{url}

\lingset{glhangstyle=none, everyglb=\footnotesize, everyglft=\small}

\begin{document}
TEXTO 21)

Título [Título traduzido]\\

\begingl

\documentclass{article}
\usepackage{icomma}

\mathchardef\digitmathcomma"702C

\makeatletter
\def\sm@rtcomma{%
  \ifx\@let@token\@sptoken \mathcomma\else
  \ifx\@let@token\space \mathcomma\else
    \digitmathcomma\fi\fi }
\makeatother
\begin{document}

$1,0 2{,}0 3, 0$

$ \mathsf{1,0 2, 0 f,\,g}$

$ \mathbf{1,0 2, 0 f,\,g}$


\end{document}

$ pdflatex
This is pdfTeX, Version 3.14159265-2.6-1.40.17 (TeX Live 2016) (preloaded format=pdflatex)
 restricted \write18 enabled.
**\documentclass{article}
entering extended mode
LaTeX2e <2016/03/31> patch level 3
Babel <3.9r> and hyphenation patterns for 83 language(s) loaded.

*\begin{document}
(/usr/local/texlive/2016/texmf-dist/tex/latex/base/article.cls
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
(/usr/local/texlive/2016/texmf-dist/tex/latex/base/size10.clo))
No file texput.aux.