Added spell checkers

app-text/nuspell/Manifest

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+DIST nuspell-3.1.2.tar.gz 379029 BLAKE2B 80f773ffdcbfbeee0dd13cd325bb4fec5efa5b54ece92ac1589c418aab46c925419e9e1bc7e257a8320e24399f49bb867600679e34a5e40070b01a660578c92c SHA512 ed5206cb9ffa7e4ec6843988a75627d4ae7d5170444b6e7bd3496c1bf61c25412c4e68864800f2ad238d014b4e50d25282f367de2900f8a230f3ecc9ae5772be
+DIST nuspell-4.0.0.tar.gz 379136 BLAKE2B 90aebe8318cd28240dfb7c1b034b2c045ac208c6d25344a3f2fc2f1a38995a1d6f81e70399c644c70255fbbb30f61e340808d1a71dfccab1726f89b742cf7b65 SHA512 2b08e30c4ac91a243c74f21eaf4a8d55d8b1c834e0f293fea76a9f02660f2ee89fe4d4071b1b9ed97b8c1db80b0645c71f8746738d97fc3ae779a65dc1583d3b
+DIST nuspell-4.0.1.tar.gz 379342 BLAKE2B be52797ddd737c523a6141fc1c2683690cfcd1aa09e6548d7eed593ab023d2b45d3538f2a9964a7c2b4abc6506c67058cdc2479ec12ae5438ffe9faa00f0680c SHA512 122616fd24c2de35000ba12d680d3617e7fe97881d33febbcb106ce70d3bac356a00d90680a1bc8ee631ed532ace0f4b4f9fce4760a25b0f7fc1d60553e74528
+DIST nuspell-4.1.0.tar.gz 380814 BLAKE2B 500da0797e4f0d1939afd8451b734f309b5c58e66532150614dd3463eda95ab421094e6c0485396b7ef1dd4b7fc03cadf10316d9cfdb1390b2769ddcc963d8b3 SHA512 d0c01dd73fefd8b9c800e6419fe916e55a53b8b19f5848d3766cdcb50383fdcd9e9bb49362b5cea4d9d2d7fda21aed055f28cb47b006e2049b2a904355f7f9ed
+DIST nuspell-4.2.0.tar.gz 382635 BLAKE2B cc141e764ce4e649a7a10f213c392973eb98eb21adddc7d2cd46c01f3cc9a6c85432bfb13ce178fba387a01aa1661e7c9b6a4717fca18fb3bfa220732daf53eb SHA512 ae9157e9753868c002ed69a765fb705d29d993f3940e11efbc2699778a8b1abee2eb7daa0ff51187b899d6935a215a24662e5b52ec1ef5c644e90a0245f7583d

app-text/nuspell/nuspell-4.2.0.ebuild

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+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="Spell checker library and CLI for complex natural languages"
+HOMEPAGE="https://nuspell.github.io/ https://github.com/nuspell/nuspell"
+SRC_URI="https://github.com/nuspell/nuspell/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="LGPL-3+"
+SLOT="0/4"  # due to libnuspell.so.4
+KEYWORDS="~amd64 ~x86 ~arm ~arm64"
+IUSE="doc test"
+
+RDEPEND="dev-libs/icu"
+DEPEND="${RDEPEND}
+	doc? ( app-text/pandoc )
+	test? ( >=dev-cpp/catch-2.3.0:0 )
+	"
+
+DOCS=( CHANGELOG.md )
+
+RESTRICT="!test? ( test )"
+
+src_prepare() {
+	rm -R external/Catch2/ || die
+	if ! use test ; then
+		rm -R external/hunspell/ || die
+	fi
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_TESTING=$(usex test)
+	)
+
+	cmake_src_configure
+}
+
+pkg_postinst() {
+	einfo
+	einfo 'Nuspell needs language packs and/or dictionaries to be of use'
+	einfo 'e.g. package app-dicts/myspell-en or one of its siblings.'
+	einfo
+	einfo 'Besides MySpell dictionaries, for other options please'
+	einfo 'see https://nuspell.github.io/#languages-and-users .'
+	einfo
+}