fix: explain "cannot tell" only when the list has one

po/de.po

@@ -131,10 +131,8 @@ msgstr "Installierte Anwendungen werden durchgesehen …"
 msgid "No Chromium-based applications found."
 msgstr "Keine Chromium-basierten Anwendungen gefunden."
 
-msgid "Anything not identified is left alone until it is turned on here."
-msgstr ""
-"Nicht erkannte Anwendungen bleiben unangetastet, bis sie hier eingeschaltet "
-"werden."
+msgid "Anything marked \"cannot tell\" stays off until it is turned on here."
+msgstr "Was „nicht erkennbar“ ist, bleibt aus, bis es hier eingeschaltet wird."
 
 msgid "Autoscroll is off. This is what would be covered."
 msgstr "Autoscroll ist aus. Das hier wäre abgedeckt."

po/middleclick-autoscroll.pot

@@ -130,7 +130,7 @@ msgstr ""
 msgid "No Chromium-based applications found."
 msgstr ""
 
-msgid "Anything not identified is left alone until it is turned on here."
+msgid "Anything marked \"cannot tell\" stays off until it is turned on here."
 msgstr ""
 
 msgid "Autoscroll is off. This is what would be covered."

src/lib/menu.sh

@@ -399,7 +399,7 @@ mca_ui_apps() {
 	mca_msg_into "$locale" "Type to search, Down: go to the list, Esc: back"
 	hint_search="$MCA_MSG_RESULT"
 	mca_msg_into "$locale" "No matches."; nomatch="$MCA_MSG_RESULT"
-	mca_msg_into "$locale" "Anything not identified is left alone until it is turned on here."
+	mca_msg_into "$locale" 'Anything marked "cannot tell" stays off until it is turned on here.'
 	legend="$MCA_MSG_RESULT"
 	mca_msg_into "$locale" "Autoscroll is off. This is what would be covered."
 	warn="$MCA_MSG_RESULT"
@@ -487,7 +487,10 @@ mca_ui_apps() {
 		if [[ $CFG_ENABLED != yes ]]; then
 			frame+="  ${MCA_C_YELLOW}${warn}${MCA_C_RESET}"$'\n'
 		fi
-		frame+="  ${MCA_C_DIM}${legend}${MCA_C_RESET}"$'\n'
+		# Only needed while there is something it explains.
+		if (( MCA_N_UNKNOWN )); then
+			frame+="  ${MCA_C_DIM}${legend}${MCA_C_RESET}"$'\n'
+		fi
 		if (( cursor < 0 )); then
 			frame+="  ${MCA_C_DIM}${hint_search}${MCA_C_RESET}"$'\n'
 			# Puts the terminal cursor at the end of the query (row 4).