Snippet 02 generates Parent-Child 'StructTreeRoot/pdf' --> 'Div/pdf2' warning

[jfbu]

02

%% -*- mode: latex -*-
%% LaTeX2e file `etocsnippet-02.tex'
%% generated by the `filecontentshere' environment
%% from source `etoc' on 2024/01/12.
%% EDITED (\etoc)
\etocruledstyle[2]{\normalfont\normalsize\rmfamily\itshape
  \fbox{\parbox{.6\linewidth}{
      \leftskip 0pt plus .5fil
      \rightskip 0pt plus -.5fil
      \parfillskip 0pt plus 1fil This is the global table of
      contents on two columns, using etoc default line styles, but with
      sections as chapters, and subsections as sections.
      }}}
\etocfallbacklines
\etocsetnexttocdepth{1}
\begingroup
\etocsetlevel{section}{0}
\etocsetlevel{subsection}{1}
\renewcommand*{\etocfontone}{\normalfont \normalsize}
\renewcommand*{\etoctoclineleaders}
        {\hbox{\normalfont\normalsize\hbox to 1ex {\hss.\hss}}}
\sloppy
\tableofcontents
\endgroup