as.info: PopSection

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`.popsection'

   This is one of the ELF section stack manipulation directives.  The
others are `.section' (*note Section::), `.subsection' (*note
SubSection::), `.pushsection' (*note PushSection::), and `.previous'
(*note Previous::).
   This directive replaces the current section (and subsection) with
the top section (and subsection) on the section stack.  This section is
popped off the stack.