Log Message:
gspell: update to 1.8.1.

News in 1.8.1, 2018-06-16
-------------------------
* gspell has moved to the GNOME GitLab instance. The bugzilla tickets have not
  yet been migrated to the GitLab issues, so before filing a new issue on
  GitLab, please search the bugzilla first. All links are available as usual
  on:
  https://wiki.gnome.org/Projects/gspell

* Fix new compilation warning (-Wcast-function-type).
* Translation updates.

News in 1.8.0, 2018-03-10
-------------------------
* Build system: don't declare functions in AC_TRY_COMPILE.
* Translation updates.

News in 1.7.1, 2017-12-09
-------------------------
* Use Enchant 2.
* Improve documentation.
* Translation updates.

News in 1.6.1, 2017-10-29
-------------------------
* Translation updates.

News in 1.6.0, 2017-09-10
-------------------------
* Translation updates.

News in 1.5.4, 2017-08-20
-------------------------
* Make the code that navigates through PangoLogAttr's more robust, for both
  GspellEntry and GspellTextView.
* Translation updates.

News in 1.5.3, 2017-07-17
-------------------------
* Add gspell_checker_get_enchant_dict(), the use of Enchant is now part of the
  API.
* Rename program gspell-app to gspell-app1.
* Various other small improvements.
* Translation updates.

News in 1.5.2, 2017-05-21
-------------------------
This is an unstable release in the 1.5 development cycle. The 1.6 stable
version will be released at the same time as GNOME 3.26.

* Implement small gspell-app, a convenient way to quickly spell-check
  something.
* Document the support of the no-spell-check GtkTextTag.
* Various other small improvements.
* Translation updates.

News in 1.5.1, 2017-04-23
-------------------------
This is an unstable release in the 1.5 development cycle. The 1.6 stable
version will be released at the same time as GNOME 3.26.

* Change underline type to PANGO_UNDERLINE_SINGLE, to remove the workaround for
  the GtkTextView bug where wavy underlines are not properly removed:
  https://bugzilla.gnome.org/show_bug.cgi?id=763741
* Up to 20x faster implementation for the GtkTextView inline spell-checker, to
  fix a responsiveness problem when editing long lines.
* Rework symbol visibility handling, by using the -export-dynamic LDFLAG
  and -fvisibility=hidden CFLAG, instead of the -export-symbols-regex LDFLAG.
* Add note for packagers in the README file: aspell doesn't work well with
  gspell, hunspell is preferred.
* Various other small improvements.
* Translation updates.