Make the Rust client the sole app

core/build-icon-font.sh

@@ -18,11 +18,8 @@
 # Needs python3 and network access; fontTools is fetched into a temporary
 # venv, so nothing has to be installed on the machine.
 #
-# The same arrangement as the Compose app's `app/build-icon-font.sh`, which
-# this is copied from -- including the Mono face and the Material Design
-# family, so an icon means the same thing in both apps. Copied rather than
-# shared because most of it is the GLYPHS list, which has to differ: the
-# point of subsetting is to ship only the codepoints one app draws.
+# The Mono face makes icon metrics stable; the Material Design family keeps
+# their meanings conventional.
 set -euo pipefail
 
 GLYPHS=(
@@ -48,8 +45,7 @@ unicodes="$(IFS=,; echo "${GLYPHS[*]}")"
 mkdir -p "$(dirname "$out")"
 # The Mono face, where every glyph is one em wide and one em tall, so two
 # icons at the same font size are the same size without either being given
-# one -- the same reason the Compose app's script takes it. It is also what
-# makes an icon's box predictable beside a line of text.
+# one, which makes an icon's box predictable beside a line of text.
 "$work/venv/bin/pyftsubset" "$work/SymbolsNerdFontMono-Regular.ttf" \
     --unicodes="$unicodes" \
     --layout-features= \