Macros

• Fix an Extra `}` Error When Using a Custom Command in `\ul`
  Register your custom macro with soul using its number of mandatory arguments; this lets \ul parse the command and its argument correctly.
• How to Add a Border or Frame Around a Box in LaTeX
  Use \fbox for a simple LaTeX border, or frame a minipage for paragraphs; control padding and line thickness with \fboxsep and \fboxrule.