Binary package “libgtkspellmm-3.0-doc” in ubuntu xenial

C++ wrappers for GtkSpell (documentation)

 GtkSpellmm provides C++ bindings for the GtkSpell spell-checking library.
 GtkSpell provides LibreOffice-style highlighting of misspelled words in a
 GtkTextView widget. Right-clicking a misspelled word pops up a menu of
 suggested replacements.
 .
 This package contains the HTML reference documentation.