LaTeX.org

Did you ever fix that?

I've tried everything. Set the length of\parindent, package indentfirst, double space, double bar for line break. Nothing seems to indent the text. I highly doubt my preamble is the issue, but I'll leave it here, nonetheless.

\ProvidesPackage{pre}
\usepackage{lmodern} %fonte do livro
\usepackage ...