diff --git a/packaging/macos/build-app.sh b/packaging/macos/build-app.sh
index 81aa161..70b32d6 100755
--- a/packaging/macos/build-app.sh
+++ b/packaging/macos/build-app.sh
@@ -517,16 +517,27 @@ build_store() {
     # one keychain is an ordinary state, an expiring one beside its replacement,
     # and picking whichever `grep` found first is how a package gets signed with
     # the wrong one.
+    #
+    # One certificate can be reported several times over. `find-identity`
+    # searches every keychain in the search list, and the signing keychain
+    # `mac-signing-keychain.sh` makes holds a copy of what the login keychain
+    # already had, so a Mac set up to sign over ssh lists each identity at least
+    # twice. That is one identity seen twice and not two identities, and the
+    # SHA-1 each is listed under is what tells them apart. Counting lines
+    # refused every machine that had a signing keychain at all.
     find_identity() {
         matches=$(security find-identity -v 2>/dev/null |
-            grep "$1: .*(${store_team})" | sed 's/.*"\(.*\)"/\1/')
+            grep "$1: .*(${store_team})" |
+            sed 's/^ *[0-9]*) *\([0-9A-F]*\) *"\(.*\)"$/\1 \2/' |
+            sort -u)
         count=$(printf '%s' "$matches" | grep -c . || true)
         [ "$count" = 1 ] || {
             echo "build-app.sh: expected one \"$1\" identity for team ${store_team}, found ${count}" >&2
             [ "$count" = 0 ] || echo "$matches" | sed 's/^/  /' >&2
             return 1
         }
-        printf '%s' "$matches"
+        # The hash was for telling them apart; what signs is the name.
+        printf '%s' "${matches#* }"
     }
     app_identity=$(find_identity "Apple Distribution") || exit 1
     # Apple's portal calls this Mac Installer Distribution; the certificate calls
diff --git a/packaging/macos/screenshot.sh b/packaging/macos/screenshot.sh
index d827cc1..c089b06 100755
--- a/packaging/macos/screenshot.sh
+++ b/packaging/macos/screenshot.sh
@@ -14,11 +14,24 @@
 #       --out shots/xods-02-sheet.png
 #   ./packaging/macos/screenshot.sh xodp --app dist/'Odox Deck'.app \
 #       --document corpus/libreoffice/focus.odp --out shots/xodp-01.png
+#   ./packaging/macos/screenshot.sh xodt --lang de --out shots/de-DE/xodt-01.png
 #
 # The bundle defaults to `dist/<Product>.app`, which is where `build-app.sh`
 # puts it, and the document to the corpus file `packaging/store-listing.md`
 # names for that application. Only `--out` has no sensible default.
 #
+# `--lang` photographs the window in that language. A listing in two languages
+# wants a set in each, and a German listing showing an English window is the
+# inaccurate metadata guideline 2.3.3 is about. It is passed through
+# `open --env` as POTEXT_LANG, which every application in this fleet reads
+# before it asks the platform. It has to go through `--env` and cannot be
+# exported here: `open` hands the process to launchd, and launchd does not pass
+# this shell's environment on.
+#
+# `--settle` waits longer before the shutter. A deck whose slides carry pictures
+# is still decoding them when a document of a few pages has settled, which is
+# why `shots.sh` gives xodp more than the other two.
+#
 # FOUR ACTIONS, IN THE ORDER GIVEN
 #
 # `--click X,Y` presses a control. `--double X,Y` presses it twice inside the
@@ -94,6 +107,10 @@ name=""
 bundle=""
 document=""
 out=""
+lang=""
+# Seconds between the window being sized and the capture. Five is enough for a
+# text document and not for a deck; `--settle` is how a caller says so.
+settle=5
 # 1440x900 is one of the four sizes App Store Connect accepts for macOS, and the
 # largest reachable without a Retina display. The other two — 2560x1600 and
 # 2880x1800 — need a backing scale of 2, which is why they are not the default.
@@ -142,6 +159,8 @@ while [ $# -gt 0 ]; do
         --double) echo "double ${2:?--double needs X,Y}" >> "$actions"; shift 2 ;;
         --type) echo "type ${2?--type needs text}" >> "$actions"; shift 2 ;;
         --key) echo "key ${2:?--key needs a name}" >> "$actions"; shift 2 ;;
+        --lang) lang="${2:?--lang needs a language tag}"; shift 2 ;;
+        --settle) settle="${2:?--settle needs seconds}"; shift 2 ;;
         --width) width="${2:?}"; shift 2 ;;
         --height) height="${2:?}"; shift 2 ;;
         --x) x="${2:?}"; shift 2 ;;
@@ -336,8 +355,12 @@ swiftc -O -o "$helper" "$source" || refuse "the helper did not compile"
 pkill -f "${bundle}/Contents/MacOS/" 2>/dev/null || true
 sleep 1
 
-open -a "$bundle" "$document"
-sleep 5
+if [ -n "$lang" ]; then
+    open -a "$bundle" --env "POTEXT_LANG=${lang}" "$document"
+else
+    open -a "$bundle" "$document"
+fi
+sleep "$settle"
 
 # Found once, by the path of the executable inside this bundle, and used by id
 # everywhere below. The header says why not by name.
@@ -387,8 +410,21 @@ screencapture -x -o -l "$id" "$out"
 
 got_w=$(sips -g pixelWidth "$out" | sed -n 's/.*pixelWidth: *//p')
 got_h=$(sips -g pixelHeight "$out" | sed -n 's/.*pixelHeight: *//p')
-if [ "$got_w" != "$width" ] || [ "$got_h" != "$height" ]; then
-    refuse "asked for ${width}x${height} and got ${got_w}x${got_h} — App Store Connect refuses anything but its own sizes"
+# The window is sized in points and the capture is written in pixels, so a
+# display with a backing scale of 2 returns twice what was asked for. Both are
+# right: App Store Connect takes 1280x800, 1440x900, 2560x1600 and 2880x1800,
+# and the larger pair is the smaller pair doubled. Comparing the file against
+# the number asked for called a correct Retina capture wrong and refused it.
+case "${got_w}x${got_h}" in
+    1280x800|1440x900|2560x1600|2880x1800) ;;
+    *)
+        refuse "got ${got_w}x${got_h}, and App Store Connect takes 1280x800, 1440x900, 2560x1600 or 2880x1800 and nothing else"
+        ;;
+esac
+# Still the window that was asked for, at one scale or the other. A capture
+# that is an accepted size but not this one is some other window.
+if [ "$got_w" != "$width" ] && [ "$got_w" != "$((width * 2))" ]; then
+    refuse "asked for ${width}x${height} and got ${got_w}x${got_h}, which is neither that nor that at a backing scale of 2"
 fi
 
 echo "${out}: ${got_w}x${got_h}, window ${id} of ${product}"
diff --git a/packaging/macos/shots.sh b/packaging/macos/shots.sh
new file mode 100755
index 0000000..64caa5c
--- /dev/null
+++ b/packaging/macos/shots.sh
@@ -0,0 +1,110 @@
+#!/bin/sh
+# The Mac App Store screenshots, as recipes rather than as prose.
+#
+# `screenshot.sh` beside this is the driver and knows nothing about Odox. This
+# file is the part that is Odox's — which application, which document, and what
+# has to happen in the window before the shutter. It is the counterpart of
+# `packaging/windows/shots.ps1`, and the two carry the same table in their own
+# platform's spellings.
+#
+#     MACOSX_DEPLOYMENT_TARGET=11.0 cargo build --release
+#     ./packaging/macos/build-app.sh --all --sign "Apple Development: ..."
+#     ./packaging/macos/shots.sh                  # the English set
+#     ./packaging/macos/shots.sh --lang de        # and the German one
+#     ./packaging/macos/shots.sh --only xodt      # one application's frames
+#
+# Run it in Terminal at the console. Sizing another application's window goes
+# through System Events, which is gated on Accessibility permission, and an ssh
+# session cannot be granted it.
+#
+# WHAT IS PHOTOGRAPHED, WHICH IS NOT THE THING THAT SHIPS
+#
+# A signed development bundle built from the commit being released. The Store
+# build cannot be launched on the machine that made it — the kernel refuses its
+# entitlements without a profile covering this Mac, and a Store profile covers
+# none — so no screenshot can ever be of the exact artefact that gets uploaded.
+# Build both from one commit and say which in `packaging/store-listing.md`.
+#
+# Something is open in every shot: a screenshot of an empty window is what
+# guideline 2.3.3 sends back.
+#
+# Author: David M. Anderson
+# Built with AI assistance (Claude, Anthropic)
+set -eu
+
+here=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+root=$(CDPATH= cd -- "${here}/../.." && pwd)
+
+only=""
+lang=""
+bundles="${root}/dist"
+outdir=""
+
+usage() {
+    sed -n '2,29p' "$0" | sed 's/^# \{0,1\}//'
+    exit "${1:-0}"
+}
+
+refuse() { echo "shots.sh: $1" >&2; exit 1; }
+
+while [ $# -gt 0 ]; do
+    case "$1" in
+        --only) only="${2:?--only needs xodt, xods or xodp}"; shift 2 ;;
+        --lang) lang="${2:?--lang needs a language tag}"; shift 2 ;;
+        --bundles) bundles="${2:?--bundles needs a directory}"; shift 2 ;;
+        --outdir) outdir="${2:?--outdir needs a directory}"; shift 2 ;;
+        -h|--help) usage 0 ;;
+        *) echo "shots.sh: unknown argument $1" >&2; usage 2 ;;
+    esac
+done
+
+# The language is a tag and the directory it lands in is a locale, and they are
+# not the same string. The Windows lane maps them the same way, in
+# `take-shots.ps1`, because a frame's directory is half the name the Store files
+# it under and the two lanes have to agree.
+case "$lang" in
+    "") locale="" ;;
+    en*) locale="en-US" ;;
+    de*) locale="de-DE" ;;
+    *) refuse "no locale is known for $lang" ;;
+esac
+
+# Where the shots land. Not committed: dist is where every built artefact goes.
+[ -n "$outdir" ] || outdir="${root}/dist/screenshots"
+[ -z "$locale" ] || outdir="${outdir}/${locale}"
+
+# The three strings each application needs here. `build-app.sh` holds the full
+# table and `packaging/windows/shots.ps1` holds the same one in that platform's
+# spellings; only these columns are wanted.
+#
+# A deck whose slides carry pictures is still decoding them when a document of a
+# few pages has settled, so xodp waits longer than the driver's default. The
+# Windows lane gives it the same eight seconds.
+for app in xodt xods xodp; do
+    [ -z "$only" ] || [ "$only" = "$app" ] || continue
+    case "$app" in
+        xodt) product="Odox Text"; document="corpus/libreoffice/text.odt"; settle=5 ;;
+        xods) product="Odox Grid"; document="corpus/libreoffice/calc.ods"; settle=5 ;;
+        xodp) product="Odox Deck"; document="corpus/libreoffice/growing-liberty.odp"; settle=8 ;;
+    esac
+    bundle="${bundles}/${product}.app"
+    [ -d "$bundle" ] || refuse "no bundle at ${bundle} — build one with 'packaging/macos/build-app.sh ${app} --sign ...'"
+
+    mkdir -p "$outdir"
+    out="${outdir}/${app}-01-document.png"
+
+    # No actions yet. These three read a document and do not edit one, so the
+    # document on screen is what they do; a frame wanting a pane opened or a
+    # slide selected takes a coordinate, and a coordinate is read off a frame
+    # of the same size rather than guessed.
+    echo "==> ${app}${lang:+ (${lang})}"
+    "${here}/screenshot.sh" "$app" \
+        --app "$bundle" \
+        --document "${root}/${document}" \
+        --settle "$settle" \
+        ${lang:+--lang "$lang"} \
+        --out "$out"
+done
+
+echo
+find "$outdir" -name '*.png' | sort