diff --git a/app-admin/tripwire/tripwire-2.4.3.7.ebuild b/app-admin/tripwire/tripwire-2.4.3.7.ebuild
index b89e3608164d..b0d5080ee7dc 100644
--- a/app-admin/tripwire/tripwire-2.4.3.7.ebuild
+++ b/app-admin/tripwire/tripwire-2.4.3.7.ebuild
@@ -40,7 +40,7 @@ src_configure() {
 	append-cppflags -DCONFIG_DIR='"\"/etc/tripwire\""'
 	append-flags -fno-strict-aliasing
 
-	# "integer.cpp:1162:24: error: reference to ‘byte’ is ambiguous"
+	# "integer.cpp:1162:24: error: reference to 'byte' is ambiguous"
 	# bug #786465
 	append-cxxflags -std=c++14
 
diff --git a/app-misc/ckermit/ckermit-10.0.414_beta11-r1.ebuild b/app-misc/ckermit/ckermit-10.0.414_beta11-r1.ebuild
index 9a0993ea571e..0ceb473ef159 100644
--- a/app-misc/ckermit/ckermit-10.0.414_beta11-r1.ebuild
+++ b/app-misc/ckermit/ckermit-10.0.414_beta11-r1.ebuild
@@ -46,7 +46,7 @@ src_prepare() {
 }
 
 src_compile() {
-	# "ckcfn3.c:224:16: error: type of ‘sndfilter’ does not match original declaration"
+	# "ckcfn3.c:224:16: error: type of 'sndfilter' does not match original declaration"
 	filter-lto
 
 	# We don't enable any of the telnet/ftp authentication stuff
diff --git a/app-misc/ckermit/ckermit-10.0.416_beta12.ebuild b/app-misc/ckermit/ckermit-10.0.416_beta12.ebuild
index bac243fa8dd1..520482027d0b 100644
--- a/app-misc/ckermit/ckermit-10.0.416_beta12.ebuild
+++ b/app-misc/ckermit/ckermit-10.0.416_beta12.ebuild
@@ -44,7 +44,7 @@ src_prepare() {
 }
 
 src_compile() {
-	# "ckcfn3.c:224:16: error: type of ‘sndfilter’ does not match original declaration"
+	# "ckcfn3.c:224:16: error: type of 'sndfilter' does not match original declaration"
 	filter-lto
 
 	# We don't enable any of the telnet/ftp authentication stuff
diff --git a/app-misc/openrgb/openrgb-0.9-r2.ebuild b/app-misc/openrgb/openrgb-0.9-r2.ebuild
index 45f1bddc4d98..1b8234300ada 100644
--- a/app-misc/openrgb/openrgb-0.9-r2.ebuild
+++ b/app-misc/openrgb/openrgb-0.9-r2.ebuild
@@ -65,7 +65,7 @@ src_configure() {
 	# instead, and compiles the .cpp file again.
 	append-ldflags -Wl,--export-dynamic
 
-	# > warning: ‘-pipe’ ignored because ‘-save-temps’ specified
+	# > warning: '-pipe' ignored because '-save-temps' specified
 	filter-flags -pipe
 
 	# cpp-httplib >=0.16.0 changed the library name from "httplib" to "cpp-httplib".
diff --git a/app-misc/openrgb/openrgb-9999.ebuild b/app-misc/openrgb/openrgb-9999.ebuild
index d5be8e1b92c7..8beeb9b6704e 100644
--- a/app-misc/openrgb/openrgb-9999.ebuild
+++ b/app-misc/openrgb/openrgb-9999.ebuild
@@ -61,7 +61,7 @@ src_configure() {
 	# instead, and compiles the .cpp file again.
 	append-ldflags -Wl,--export-dynamic
 
-	# > warning: ‘-pipe’ ignored because ‘-save-temps’ specified
+	# > warning: '-pipe' ignored because '-save-temps' specified
 	filter-flags -pipe
 
 	# cpp-httplib >=0.16.0 changed the library name from "httplib" to "cpp-httplib".
diff --git a/app-shells/atuin/atuin-18.4.0.ebuild b/app-shells/atuin/atuin-18.4.0.ebuild
index 282ac5c6eea3..d314032dc896 100644
--- a/app-shells/atuin/atuin-18.4.0.ebuild
+++ b/app-shells/atuin/atuin-18.4.0.ebuild
@@ -80,7 +80,7 @@ src_test() {
 	initdb "${postgres_dir}" || die
 
 	local port=11123
-	# -h '' → only socket connections allowed.
+	# -h '' --> only socket connections allowed.
 	postgres -D "${postgres_dir}" \
 			 -k "${postgres_dir}" \
 			 -p "${port}" &
diff --git a/app-shells/atuin/atuin-18.5.0.ebuild b/app-shells/atuin/atuin-18.5.0.ebuild
index 9a0177e592f9..408c0ccbbdf4 100644
--- a/app-shells/atuin/atuin-18.5.0.ebuild
+++ b/app-shells/atuin/atuin-18.5.0.ebuild
@@ -80,7 +80,7 @@ src_test() {
 	initdb "${postgres_dir}" || die
 
 	local port=11123
-	# -h '' → only socket connections allowed.
+	# -h '' --> only socket connections allowed.
 	postgres -D "${postgres_dir}" \
 			 -k "${postgres_dir}" \
 			 -p "${port}" &
diff --git a/app-shells/atuin/atuin-18.6.1.ebuild b/app-shells/atuin/atuin-18.6.1.ebuild
index 1e2585996737..5924bd2bf5f4 100644
--- a/app-shells/atuin/atuin-18.6.1.ebuild
+++ b/app-shells/atuin/atuin-18.6.1.ebuild
@@ -79,7 +79,7 @@ src_test() {
 	initdb "${postgres_dir}" || die
 
 	local port=11123
-	# -h '' → only socket connections allowed.
+	# -h '' --> only socket connections allowed.
 	postgres -D "${postgres_dir}" \
 			 -k "${postgres_dir}" \
 			 -p "${port}" &
diff --git a/app-text/cherrytree/cherrytree-1.2.0.ebuild b/app-text/cherrytree/cherrytree-1.2.0.ebuild
index d2e8464e00c5..026712e9e7ec 100644
--- a/app-text/cherrytree/cherrytree-1.2.0.ebuild
+++ b/app-text/cherrytree/cherrytree-1.2.0.ebuild
@@ -13,9 +13,9 @@ HOMEPAGE="https://www.giuspen.com/cherrytree/"
 SRC_URI="https://github.com/giuspen/${PN}/releases/download/v${PV}/${P/-/_}.tar.xz"
 S="${WORKDIR}"/${P/-/_}
 
-# GPL-3 — future/src/ct (CherryTree)
-# LGPL-2.1 — future/src/7za (7zip)
-# MIT — future/src/fmt (libfmt)
+# GPL-3 - future/src/ct (CherryTree)
+# LGPL-2.1 - future/src/7za (7zip)
+# MIT - future/src/fmt (libfmt)
 LICENSE="GPL-3 LGPL-2.1 MIT"
 
 SLOT="0"
diff --git a/app-text/cherrytree/cherrytree-1.3.0.ebuild b/app-text/cherrytree/cherrytree-1.3.0.ebuild
index d2e8464e00c5..026712e9e7ec 100644
--- a/app-text/cherrytree/cherrytree-1.3.0.ebuild
+++ b/app-text/cherrytree/cherrytree-1.3.0.ebuild
@@ -13,9 +13,9 @@ HOMEPAGE="https://www.giuspen.com/cherrytree/"
 SRC_URI="https://github.com/giuspen/${PN}/releases/download/v${PV}/${P/-/_}.tar.xz"
 S="${WORKDIR}"/${P/-/_}
 
-# GPL-3 — future/src/ct (CherryTree)
-# LGPL-2.1 — future/src/7za (7zip)
-# MIT — future/src/fmt (libfmt)
+# GPL-3 - future/src/ct (CherryTree)
+# LGPL-2.1 - future/src/7za (7zip)
+# MIT - future/src/fmt (libfmt)
 LICENSE="GPL-3 LGPL-2.1 MIT"
 
 SLOT="0"
diff --git a/app-text/cherrytree/cherrytree-1.4.0.ebuild b/app-text/cherrytree/cherrytree-1.4.0.ebuild
index 974a4920ae7b..f920de95b7a6 100644
--- a/app-text/cherrytree/cherrytree-1.4.0.ebuild
+++ b/app-text/cherrytree/cherrytree-1.4.0.ebuild
@@ -13,9 +13,9 @@ HOMEPAGE="https://www.giuspen.com/cherrytree/"
 SRC_URI="https://github.com/giuspen/${PN}/releases/download/v${PV}/${P/-/_}.tar.xz"
 S="${WORKDIR}"/${P/-/_}
 
-# GPL-3 — future/src/ct (CherryTree)
-# LGPL-2.1 — future/src/7za (7zip)
-# MIT — future/src/fmt (libfmt)
+# GPL-3 - future/src/ct (CherryTree)
+# LGPL-2.1 - future/src/7za (7zip)
+# MIT - future/src/fmt (libfmt)
 LICENSE="GPL-3 LGPL-2.1 MIT"
 
 SLOT="0"
diff --git a/app-text/discount/discount-2.2.7c-r1.ebuild b/app-text/discount/discount-2.2.7c-r1.ebuild
index 0342dd5102c4..5fd92773d5fe 100644
--- a/app-text/discount/discount-2.2.7c-r1.ebuild
+++ b/app-text/discount/discount-2.2.7c-r1.ebuild
@@ -22,9 +22,9 @@ PATCHES=(
 src_prepare() {
 	default
 
-	# for QA, we remove the Makefile’s usage of install -s.
+	# for QA, we remove the Makefile's usage of install -s.
 	# Drop ldconfig invocation.
-	# Force “librarian.sh” to respect LDFLAGS ($FLAGS should have CFLAGS
+	# Force "librarian.sh" to respect LDFLAGS ($FLAGS should have CFLAGS
 	# at that point).
 	sed -i \
 		-e '/INSTALL_PROGRAM/s,\$_strip ,,' \
diff --git a/app-text/discount/discount-3.0.0a.ebuild b/app-text/discount/discount-3.0.0a.ebuild
index 6c5407b894ce..2228eef31625 100644
--- a/app-text/discount/discount-3.0.0a.ebuild
+++ b/app-text/discount/discount-3.0.0a.ebuild
@@ -18,9 +18,9 @@ RESTRICT="!test? ( test )"
 src_prepare() {
 	default
 
-	# for QA, we remove the Makefile’s usage of install -s.
+	# for QA, we remove the Makefile's usage of install -s.
 	# Drop ldconfig invocation.
-	# Force “librarian.sh” to respect LDFLAGS ($FLAGS should have CFLAGS
+	# Force "librarian.sh" to respect LDFLAGS ($FLAGS should have CFLAGS
 	# at that point).
 	sed -i \
 		-e '/INSTALL_PROGRAM/s,\$_strip ,,' \
diff --git a/app-text/discount/discount-3.0.0d.ebuild b/app-text/discount/discount-3.0.0d.ebuild
index 40a5c1729768..2e0ff4a05cf5 100644
--- a/app-text/discount/discount-3.0.0d.ebuild
+++ b/app-text/discount/discount-3.0.0d.ebuild
@@ -18,9 +18,9 @@ RESTRICT="!test? ( test )"
 src_prepare() {
 	default
 
-	# for QA, we remove the Makefile’s usage of install -s.
+	# for QA, we remove the Makefile's usage of install -s.
 	# Drop ldconfig invocation.
-	# Force “librarian.sh” to respect LDFLAGS ($FLAGS should have CFLAGS
+	# Force "librarian.sh" to respect LDFLAGS ($FLAGS should have CFLAGS
 	# at that point).
 	sed -i \
 		-e '/INSTALL_PROGRAM/s,\$_strip ,,' \
diff --git a/dev-haskell/cabal/cabal-3.4.1.0-r1.ebuild b/dev-haskell/cabal/cabal-3.4.1.0-r1.ebuild
index ed53dd39ce33..a02c111f84c2 100644
--- a/dev-haskell/cabal/cabal-3.4.1.0-r1.ebuild
+++ b/dev-haskell/cabal/cabal-3.4.1.0-r1.ebuild
@@ -55,8 +55,8 @@ src_prepare() {
 
 	# Cabal bootstraps with 'ghc --make' without package cleanup in environment.
 	# That causes module collisions at build:
-	# - pulseaudio: Distribution/Utils/Structured.hs:98:1: error: Ambiguous module name ‘Data.Time’: it was found in multiple packages: pulseaudio-0.0.2.1 time-1.9.3
-	# - kinds: Distribution/Utils/Structured.hs:106:1: error: Ambiguous module name ‘Data.Kind’: it was found in multiple packages: base-4.14.1.0 kinds-0.0.1.5
+	# - pulseaudio: Distribution/Utils/Structured.hs:98:1: error: Ambiguous module name 'Data.Time': it was found in multiple packages: pulseaudio-0.0.2.1 time-1.9.3
+	# - kinds: Distribution/Utils/Structured.hs:106:1: error: Ambiguous module name 'Data.Kind': it was found in multiple packages: base-4.14.1.0 kinds-0.0.1.5
 	HCFLAGS="${HCFLAGS} -ignore-package=pulseaudio"
 	HCFLAGS="${HCFLAGS} -ignore-package=kinds"
 }
diff --git a/dev-haskell/http-date/http-date-0.0.11.ebuild b/dev-haskell/http-date/http-date-0.0.11.ebuild
index bd0d30401b3e..d05975d8d0af 100644
--- a/dev-haskell/http-date/http-date-0.0.11.ebuild
+++ b/dev-haskell/http-date/http-date-0.0.11.ebuild
@@ -16,7 +16,7 @@ LICENSE="BSD"
 SLOT="0/${PV}"
 KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
 
-RESTRICT=test # Ambiguous module name ‘Data.Time’: it was found in multiple packages: pulseaudio-0.0.2.1 time-1.8.0.2
+RESTRICT=test # Ambiguous module name 'Data.Time': it was found in multiple packages: pulseaudio-0.0.2.1 time-1.8.0.2
 
 RDEPEND="dev-haskell/attoparsec:=[profile?]
 	>=dev-lang/ghc-8.4.3:=
diff --git a/dev-haskell/http-date/http-date-0.0.8.ebuild b/dev-haskell/http-date/http-date-0.0.8.ebuild
index c359d6219c47..c4d88709acfc 100644
--- a/dev-haskell/http-date/http-date-0.0.8.ebuild
+++ b/dev-haskell/http-date/http-date-0.0.8.ebuild
@@ -17,7 +17,7 @@ SLOT="0/${PV}"
 KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
 IUSE=""
 
-RESTRICT=test # Ambiguous module name ‘Data.Time’: it was found in multiple packages: pulseaudio-0.0.2.1 time-1.8.0.2
+RESTRICT=test # Ambiguous module name 'Data.Time': it was found in multiple packages: pulseaudio-0.0.2.1 time-1.8.0.2
 
 RDEPEND="dev-haskell/attoparsec:=[profile?]
 	>=dev-lang/ghc-7.4.1:= <dev-lang/ghc-9.1
diff --git a/dev-libs/librdkafka/librdkafka-2.2.0-r1.ebuild b/dev-libs/librdkafka/librdkafka-2.2.0-r1.ebuild
index 082e1e71e36e..b010faa23dca 100644
--- a/dev-libs/librdkafka/librdkafka-2.2.0-r1.ebuild
+++ b/dev-libs/librdkafka/librdkafka-2.2.0-r1.ebuild
@@ -66,7 +66,7 @@ src_prepare() {
 }
 
 src_configure() {
-	# error: unknown register name ‘%edx’ in ‘asm’
+	# error: unknown register name '%edx' in 'asm'
 	# https://bugs.gentoo.org/895464
 	# https://github.com/confluentinc/librdkafka/issues/2426
 	filter-lto
diff --git a/dev-libs/librdkafka/librdkafka-2.6.1.ebuild b/dev-libs/librdkafka/librdkafka-2.6.1.ebuild
index 2bcf222f676e..d58a7b1a8f9f 100644
--- a/dev-libs/librdkafka/librdkafka-2.6.1.ebuild
+++ b/dev-libs/librdkafka/librdkafka-2.6.1.ebuild
@@ -64,7 +64,7 @@ src_prepare() {
 }
 
 src_configure() {
-	# error: unknown register name ‘%edx’ in ‘asm’
+	# error: unknown register name '%edx' in 'asm'
 	# https://bugs.gentoo.org/895464
 	# https://github.com/confluentinc/librdkafka/issues/2426
 	filter-lto
diff --git a/dev-libs/librdkafka/librdkafka-2.8.0.ebuild b/dev-libs/librdkafka/librdkafka-2.8.0.ebuild
index ac32ac14d6d1..d2ece1712c33 100644
--- a/dev-libs/librdkafka/librdkafka-2.8.0.ebuild
+++ b/dev-libs/librdkafka/librdkafka-2.8.0.ebuild
@@ -64,7 +64,7 @@ src_prepare() {
 }
 
 src_configure() {
-	# error: unknown register name ‘%edx’ in ‘asm’
+	# error: unknown register name '%edx' in 'asm'
 	# https://bugs.gentoo.org/895464
 	# https://github.com/confluentinc/librdkafka/issues/2426
 	filter-lto
diff --git a/dev-ruby/ruby-odbc/ruby-odbc-0.999992.ebuild b/dev-ruby/ruby-odbc/ruby-odbc-0.999992.ebuild
index 416f3d3edd1e..49cbfb1b72fd 100644
--- a/dev-ruby/ruby-odbc/ruby-odbc-0.999992.ebuild
+++ b/dev-ruby/ruby-odbc/ruby-odbc-0.999992.ebuild
@@ -36,7 +36,7 @@ all_ruby_prepare() {
 	# the extension as we'd be unable to run it properly otherwise.
 	sed -i -e 's:\./odbc:odbc:' test/{,utf8/}test.rb || die
 
-	# Since lib should not get installed avoid it entirely…
+	# Since lib should not get installed avoid it entirely...
 	mv lib contrib || die
 }
 
diff --git a/dev-util/geany-plugins/geany-plugins-2.0-r1.ebuild b/dev-util/geany-plugins/geany-plugins-2.0-r1.ebuild
index 0c974b7a9e80..9d7fdce8a567 100644
--- a/dev-util/geany-plugins/geany-plugins-2.0-r1.ebuild
+++ b/dev-util/geany-plugins/geany-plugins-2.0-r1.ebuild
@@ -105,7 +105,7 @@ src_configure() {
 		$(use_enable enchant spellcheck)
 		$(use_enable webhelper)
 		$(use_enable workbench)
-		# GeanyGenDoc requires ctpl which isn’t yet in portage
+		# GeanyGenDoc requires ctpl which isn't yet in portage
 		--disable-geanygendoc
 		# Require libsoup-2.4 which conflicts with webkit2gtk-4.1
 		--disable-geniuspaste
diff --git a/dev-util/geany-plugins/geany-plugins-2.0-r2.ebuild b/dev-util/geany-plugins/geany-plugins-2.0-r2.ebuild
index 4abfcd2577b0..41726070fb85 100644
--- a/dev-util/geany-plugins/geany-plugins-2.0-r2.ebuild
+++ b/dev-util/geany-plugins/geany-plugins-2.0-r2.ebuild
@@ -114,7 +114,7 @@ src_configure() {
 		$(use_enable enchant spellcheck)
 		$(use_enable webhelper)
 		$(use_enable workbench)
-		# GeanyGenDoc requires ctpl which isn’t yet in portage
+		# GeanyGenDoc requires ctpl which isn't yet in portage
 		--disable-geanygendoc
 		# Require libsoup-2.4 which conflicts with webkit2gtk-4.1
 		--disable-geniuspaste
diff --git a/dev-util/sasm/sasm-3.10.1.ebuild b/dev-util/sasm/sasm-3.10.1.ebuild
index e14a76ccee41..f6ba591f8c94 100644
--- a/dev-util/sasm/sasm-3.10.1.ebuild
+++ b/dev-util/sasm/sasm-3.10.1.ebuild
@@ -34,7 +34,7 @@ RDEPEND="${DEPEND}
 	dev-debug/gdb
 "
 
-# SASM repository contains precompiled binaries ¯\_(ツ)_/¯
+# SASM repository contains precompiled binaries
 QA_PREBUILT="usr/bin/fasm usr/bin/listing"
 
 src_prepare() {
diff --git a/media-gfx/zbar/zbar-0.23.93.ebuild b/media-gfx/zbar/zbar-0.23.93.ebuild
index 1bb7c4cc2030..499e4c075ee0 100644
--- a/media-gfx/zbar/zbar-0.23.93.ebuild
+++ b/media-gfx/zbar/zbar-0.23.93.ebuild
@@ -111,7 +111,7 @@ src_prepare() {
 
 		python_fix_shebang \
 			examples/*.py \
-			test/{test_python,barcodetest}.py # test_pygtk.py — py2 only
+			test/{test_python,barcodetest}.py # test_pygtk.py - py2 only
 	fi
 
 	if use java; then
diff --git a/media-plugins/live/live-2024.10.31.ebuild b/media-plugins/live/live-2024.10.31.ebuild
index ed46f09d712e..5784dca63ab8 100644
--- a/media-plugins/live/live-2024.10.31.ebuild
+++ b/media-plugins/live/live-2024.10.31.ebuild
@@ -60,7 +60,7 @@ src_configure() {
 	# ODR violations bug #940324
 	filter-lto
 
-	# BasicTaskScheduler.cpp:191:40: error: ‘struct std::atomic_flag’ has no member named ‘test’
+	# BasicTaskScheduler.cpp:191:40: error: 'struct std::atomic_flag' has no member named 'test'
 	append-cxxflags -std=c++20
 
 	# And defer to the scripts that upstream provide.
diff --git a/media-plugins/live/live-2025.01.17.ebuild b/media-plugins/live/live-2025.01.17.ebuild
index 1675ec285aba..e911d6271b26 100644
--- a/media-plugins/live/live-2025.01.17.ebuild
+++ b/media-plugins/live/live-2025.01.17.ebuild
@@ -60,7 +60,7 @@ src_configure() {
 	# ODR violations bug #940324
 	filter-lto
 
-	# BasicTaskScheduler.cpp:191:40: error: ‘struct std::atomic_flag’ has no member named ‘test’
+	# BasicTaskScheduler.cpp:191:40: error: 'struct std::atomic_flag' has no member named 'test'
 	append-cxxflags -std=c++20
 
 	# And defer to the scripts that upstream provide.
diff --git a/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.10.ebuild b/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.10.ebuild
index fedcdd34a4f0..67b5dd98aa04 100644
--- a/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.10.ebuild
+++ b/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.10.ebuild
@@ -53,7 +53,7 @@ src_configure() {
 	local _cpu=generic_fpu
 
 	# Build fails without -D_GNU_SOURCE like this:
-	# error: ‘struct hostent’ has no member named ‘h_addr’
+	# error: 'struct hostent' has no member named 'h_addr'
 	append-cflags -D_GNU_SOURCE
 
 	append-lfs-flags
diff --git a/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.9.ebuild b/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.9.ebuild
index ffed3d18c5d6..b72b87615eaf 100644
--- a/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.9.ebuild
+++ b/media-plugins/mpg123-output-plugins/mpg123-output-plugins-1.32.9.ebuild
@@ -53,7 +53,7 @@ src_configure() {
 	local _cpu=generic_fpu
 
 	# Build fails without -D_GNU_SOURCE like this:
-	# error: ‘struct hostent’ has no member named ‘h_addr’
+	# error: 'struct hostent' has no member named 'h_addr'
 	append-cflags -D_GNU_SOURCE
 
 	append-lfs-flags
diff --git a/media-sound/mpg123-base/mpg123-base-1.32.10-r2.ebuild b/media-sound/mpg123-base/mpg123-base-1.32.10-r2.ebuild
index 630feeeb24fc..882d119f8974 100644
--- a/media-sound/mpg123-base/mpg123-base-1.32.10-r2.ebuild
+++ b/media-sound/mpg123-base/mpg123-base-1.32.10-r2.ebuild
@@ -46,7 +46,7 @@ multilib_src_configure() {
 	local _cpu=generic_fpu
 
 	# Build fails without -D_GNU_SOURCE like this:
-	# error: ‘struct hostent’ has no member named ‘h_addr’
+	# error: 'struct hostent' has no member named 'h_addr'
 	append-cflags -D_GNU_SOURCE
 
 	filter-lto # bug #951124
diff --git a/media-sound/mpg123-base/mpg123-base-1.32.9-r2.ebuild b/media-sound/mpg123-base/mpg123-base-1.32.9-r2.ebuild
index 3cb10df4ab4f..26873e5bae2d 100644
--- a/media-sound/mpg123-base/mpg123-base-1.32.9-r2.ebuild
+++ b/media-sound/mpg123-base/mpg123-base-1.32.9-r2.ebuild
@@ -46,7 +46,7 @@ multilib_src_configure() {
 	local _cpu=generic_fpu
 
 	# Build fails without -D_GNU_SOURCE like this:
-	# error: ‘struct hostent’ has no member named ‘h_addr’
+	# error: 'struct hostent' has no member named 'h_addr'
 	append-cflags -D_GNU_SOURCE
 
 	filter-lto # bug #951124
diff --git a/media-sound/mpg123/mpg123-1.32.3.ebuild b/media-sound/mpg123/mpg123-1.32.3.ebuild
index d943e7c0bbfe..b6cb1adfb243 100644
--- a/media-sound/mpg123/mpg123-1.32.3.ebuild
+++ b/media-sound/mpg123/mpg123-1.32.3.ebuild
@@ -46,7 +46,7 @@ multilib_src_configure() {
 	local _cpu=generic_fpu
 
 	# Build fails without -D_GNU_SOURCE like this:
-	# error: ‘struct hostent’ has no member named ‘h_addr’
+	# error: 'struct hostent' has no member named 'h_addr'
 	append-cflags -D_GNU_SOURCE
 
 	append-lfs-flags
diff --git a/net-analyzer/netperf/netperf-2.7.0-r5.ebuild b/net-analyzer/netperf/netperf-2.7.0-r5.ebuild
index 29ce9aa65549..e65ca789afeb 100644
--- a/net-analyzer/netperf/netperf-2.7.0-r5.ebuild
+++ b/net-analyzer/netperf/netperf-2.7.0-r5.ebuild
@@ -48,8 +48,8 @@ src_prepare() {
 }
 
 src_configure() {
-	# netlib.c:2292:5: warning: implicit declaration of function ‘sched_setaffinity’
-	# nettest_omni.c:2943:5: warning: implicit declaration of function ‘splice’
+	# netlib.c:2292:5: warning: implicit declaration of function 'sched_setaffinity'
+	# nettest_omni.c:2943:5: warning: implicit declaration of function 'splice'
 	# TODO: drop once https://github.com/HewlettPackard/netperf/pull/73 merged
 	append-cppflags -D_GNU_SOURCE
 
diff --git a/net-analyzer/netperf/netperf-2.7.0_p20210121.ebuild b/net-analyzer/netperf/netperf-2.7.0_p20210121.ebuild
index 35ba7901bc35..634236baa46c 100644
--- a/net-analyzer/netperf/netperf-2.7.0_p20210121.ebuild
+++ b/net-analyzer/netperf/netperf-2.7.0_p20210121.ebuild
@@ -49,8 +49,8 @@ src_prepare() {
 }
 
 src_configure() {
-	# netlib.c:2292:5: warning: implicit declaration of function ‘sched_setaffinity’
-	# nettest_omni.c:2943:5: warning: implicit declaration of function ‘splice’
+	# netlib.c:2292:5: warning: implicit declaration of function 'sched_setaffinity'
+	# nettest_omni.c:2943:5: warning: implicit declaration of function 'splice'
 	# TODO: drop once https://github.com/HewlettPackard/netperf/pull/73 merged
 	append-cppflags -D_GNU_SOURCE
 
diff --git a/net-misc/email-validator/email-validator-1.1.0.ebuild b/net-misc/email-validator/email-validator-1.1.0.ebuild
index 6157158555f4..ad0f78ab12fd 100644
--- a/net-misc/email-validator/email-validator-1.1.0.ebuild
+++ b/net-misc/email-validator/email-validator-1.1.0.ebuild
@@ -14,7 +14,7 @@ LICENSE="AGPL-3+"
 SLOT="0"
 KEYWORDS="~amd64"
 
-RESTRICT=test # Ambiguous module name ‘Network.DNS’: dns-4.0.1 resolv-0.1.2.0
+RESTRICT=test # Ambiguous module name 'Network.DNS': dns-4.0.1 resolv-0.1.2.0
 
 RDEPEND=">=dev-haskell/cmdargs-0.10:=
 	>=dev-haskell/dns-2:=
diff --git a/sci-libs/trilinos/trilinos-14.4.0.ebuild b/sci-libs/trilinos/trilinos-14.4.0.ebuild
index 5cf7866ed9cd..607eb5ba299b 100644
--- a/sci-libs/trilinos/trilinos-14.4.0.ebuild
+++ b/sci-libs/trilinos/trilinos-14.4.0.ebuild
@@ -237,7 +237,7 @@ src_install() {
 
 	# Let us move the bin directory out of the way to avoid potential
 	# clashes due to very generically named binaries such as
-	# »nvcc_wrapper«, etc.
+	# "nvcc_wrapper", etc.
 	mv "${ED}"/bin "${ED}/usr/$(get_libdir)"/trilinos || die "mv failed"
 
 	# Move the cmake directory to the right location:
diff --git a/sci-libs/trilinos/trilinos-15.1.1.ebuild b/sci-libs/trilinos/trilinos-15.1.1.ebuild
index 6cbf380341aa..04200cb102b8 100644
--- a/sci-libs/trilinos/trilinos-15.1.1.ebuild
+++ b/sci-libs/trilinos/trilinos-15.1.1.ebuild
@@ -228,7 +228,7 @@ src_install() {
 
 	# Let us move the bin directory out of the way to avoid potential
 	# clashes due to very generically named binaries such as
-	# »nvcc_wrapper«, etc.
+	# "nvcc_wrapper", etc.
 	mv "${ED}"/bin "${ED}/usr/$(get_libdir)"/trilinos || die "mv failed"
 
 	# Move the cmake directory to the right location:
diff --git a/sci-physics/hepmc/hepmc-2.06.11.ebuild b/sci-physics/hepmc/hepmc-2.06.11.ebuild
index 9d22aed74fd1..b0d8503680db 100644
--- a/sci-physics/hepmc/hepmc-2.06.11.ebuild
+++ b/sci-physics/hepmc/hepmc-2.06.11.ebuild
@@ -70,7 +70,7 @@ src_prepare() {
 }
 
 src_configure() {
-	# error: ‘hepevt_’ violates the C++ One Definition Rule [-Werror=odr]
+	# error: 'hepevt_' violates the C++ One Definition Rule [-Werror=odr]
 	# Bug 863284
 	filter-lto
 	# use MeV over GeV and mm over cm
diff --git a/sys-libs/gpm/gpm-1.20.7-r6.ebuild b/sys-libs/gpm/gpm-1.20.7-r6.ebuild
index b67d1fed55b9..2d10dc4899cf 100644
--- a/sys-libs/gpm/gpm-1.20.7-r6.ebuild
+++ b/sys-libs/gpm/gpm-1.20.7-r6.ebuild
@@ -76,7 +76,7 @@ multilib_src_configure() {
 	append-cflags $(test-flags-CC -std=gnu17)
 
 	# bug #885323
-	# src/headers/daemon.h:175:25: error: type of ‘cinfo’ does not match original declaration [-Werror=lto-type-mismatch]
+	# src/headers/daemon.h:175:25: error: type of 'cinfo' does not match original declaration [-Werror=lto-type-mismatch]
 	filter-lto
 
 	# emacs support disabled due to bug #99533, bug #335900
diff --git a/www-misc/htdig/htdig-3.2.0_beta6-r5.ebuild b/www-misc/htdig/htdig-3.2.0_beta6-r5.ebuild
index e2dcb87f6398..6b051b3c0857 100644
--- a/www-misc/htdig/htdig-3.2.0_beta6-r5.ebuild
+++ b/www-misc/htdig/htdig-3.2.0_beta6-r5.ebuild
@@ -43,7 +43,7 @@ src_prepare() {
 }
 
 src_configure() {
-	# "WordDBPage.h:309:76: error: reference to ‘byte’ is ambiguous"
+	# "WordDBPage.h:309:76: error: reference to 'byte' is ambiguous"
 	# bug #787716
 	append-cxxflags -std=c++14
 
diff --git a/x11-wm/qtile/qtile-0.31.0.ebuild b/x11-wm/qtile/qtile-0.31.0.ebuild
index 5d34f5556981..66a05758d077 100644
--- a/x11-wm/qtile/qtile-0.31.0.ebuild
+++ b/x11-wm/qtile/qtile-0.31.0.ebuild
@@ -84,7 +84,7 @@ python_test() {
 		# mypy stuff
 		test/test_check.py
 		test/migrate/test_check_migrations.py
-		# TODO: this test clearly requires x11 — so why is wayland
+		# TODO: this test clearly requires x11 - so why is wayland
 		# variant being run?
 		'test/backend/x11/test_window.py::test_urgent_hook_fire[wayland-2]'
 		# TODO