In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+005D (RIGHT SQUARE BRACKET).
\bbalpha\bbbeta\bbchi\bbdelta\bbDelta\bbdotlessi\bbdotlessj\bbepsilon\bbeta\bbgamma\bbGamma\txtbbRbrack
The ] symbol (Right square bracket, U+005D), written as \txtbbRbrack in LaTeX text mode.
TeXForm parses this entry as a character leaf mapped to U+005D (RIGHT SQUARE BRACKET).
\bbalpha\bbbeta\bbchi\bbdelta\bbDelta\bbdotlessi\bbdotlessj\bbepsilon\bbeta\bbgamma\bbGamma\txtbbRbrack