4 Latex
4.1 Unicode error
To find a unicode error (e.g. for error 202F, it’s a narrow no-break space, which is hard to spot), input the following -
\makeatletter
\def\UTFviii@defined#1{\ifx#1\relax!!FIXME!!\else\expandafter#1\fi}
\makeatother
4.2 URL
Options include: * \url{}
* \href{}{}