AlignmentMarker
\[AlignmentMarker]
Alias: am. Letter-like form. Invisible by default on display. Used as a marker to indicate for example how entries in a GridBox column should be lined up. See The Mathematica Book: Section 2.8.11 and Section 3.10.5. See also: \[InvisibleComma] , \[InvisibleSpace] , \[Null] , \[NoBreak] .