Load cleveref.sty before listings.sty when using LaTeXML

Workaround for issue reported here:
- brucemiller/LaTeXML#1400

preamble.tex

@@ -114,8 +114,24 @@
 \let\smallifpdf\normalsize
 \fi
 
+\ifpdf
+% Don't load cleveref yet.
+\else
+% The LaTeXML 'listings' support in cleveref is broken, so we need to load cleveref before
+% listings (which is loaded inside mlsshared.sty), so that the broken support doesn't get loaded, see
+% - https://github.com/brucemiller/LaTeXML/issues/1400
+\usepackage[nameinlink,noabbrev]{cleveref}
+\fi
+
 \usepackage{mlsshared}
 
+\ifpdf
+% This is the preferred load order for listings and cleveref, so that cleveref is aware of listings, see above.
+\usepackage[nameinlink,noabbrev]{cleveref}
+\fi
+
+\def\autoref#1{\errmessage{You are not supposed to use \autoref; use \cref or \Cref instead.}}
+
 % Settings in addition to those in mlsshared.sty.
 \lstset{%
   xleftmargin=\fboxsep,
@@ -174,11 +190,6 @@
 
 \newcommand{\glossaryitem}[1]{\textbf{#1}}
 
-\newcommand{\bibitemtitle}[1]{\emph{#1}}
-
-\usepackage[nameinlink,noabbrev]{cleveref}
-\def\autoref#1{\errmessage{You are not supposed to use \autoref; use \cref or \Cref instead.}}
-
 % Environment for definitions.
 \usepackage{amsthm}
 \newtheoremstyle{mlsdefinition}