hrule latex code example

Example 1: o umlaut latex

Some accented characters
{\"a} {\^e} {\`i} {\.I} {\o} {\'u} {\aa} {\c c} {\u g} {\l} {\~n} {\H o} {\v r} {\ss} {\r u}

Example 2: latex fcolorbox

\fcolorbox{declared-color-frame}{declared-color-background}{text}