{Mathias Jakobsen} {Best-effort \TeX\ parsing for interactive editing} {Overleaf provides a \TeX{} editor with contextual assistance and interactive editing tools powered by a ``best-effort'' parsing engine. Rather than trying to fully understand all possible \TeX{} documents, we focus on understanding conventional structures where we can provide assistance to the user. This talk will explore the strategies behind this forgiving parser, which enables features like contextual autocompletions and visual editing, even with incomplete or imperfect input.}