There are three different fret-diagram markup interfaces: standard, terse,
and verbose. The three interfaces produce equivalent markups, but have
varying amounts of information in the markup string. Details about the
-markup interfaces are found at @ref{Overview of text markup commands}.
+markup interfaces are found at @ref{Text markup commands}.
You can set a number of graphical properties according to your preference.
Details about the property interface to fret diagrams are found at