Added default font remark

app/src/main/res/layout/fragment_options_send.xml

@@ -589,6 +589,19 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/spComposeFont" />
 
+                <TextView
+                    android:id="@+id/tvComposeFontHint"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_compose_font_hint"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    android:textStyle="italic"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/spComposeTextSize" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swComposeMonospaced"
                     android:layout_width="0dp"
@@ -598,7 +611,7 @@
                     android:text="@string/title_advanced_compose_monospaced"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/spComposeTextSize"
+                    app:layout_constraintTop_toBottomOf="@id/tvComposeFontHint"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat

app/src/main/res/values/strings.xml

@@ -1080,6 +1080,7 @@
     <string name="title_advanced_send_reminders_hint">Show a warning when the message text or the subject is empty or when an attachment might be missing</string>
     <string name="title_advanced_reply_move_hint">The email server could still add the messages to the sent message folder</string>
     <string name="title_advanced_compose_color_hint">Very light or very dark colors will result in illegible messages on the recipients\' side</string>
+    <string name="title_advanced_compose_font_hint">Default means respecting the font as selected on the receiver side</string>
     <string name="title_advanced_template_reply_hint">HTML is allowed. Available placeholders: %1$s</string>
     <string name="title_advanced_write_below_hint">A recipient might miss your reply, for example when a longer message is being truncated</string>
     <string name="title_advanced_attach_new_hint">Otherwise, add shared addresses or files to the current draft message</string>