rstudio - Rmarkdown doesn't display dots in formulae (pdf output) -


i'm trying recent 1.0 version of rstudio, generated document worked ok, i' having problems dots in formulae when compiling pdf_output. example when write:

$a(l) = 1 - 1.6  l  + 0.96 l^2  -  0.256 l^3$

i in pdf:

this

i´ve searched in web , found nothing useful. in advance help.

babel expects commas decimal separators when using spanish. thus, work out of box (and in opinion proper solution).

$a(l) = 1 - 1,6  l  + 0,96 l^2  -  0,256 l^3$

however, can still example work. according this tex.se answer, can force babel use dots decimal separator setting language way (notice there no lang option):

--- title: "test" output: pdf_document header-includes: - \usepackage[spanish,es-nodecimaldot]{babel} ---

-

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