Landing-pad for sigil doesn't use save/restore.

tcshrc.prompt.final

@@ -142,7 +142,15 @@ set last_sym = ${referencechars[1]}
 set prompt_reference_core="${last_color}${last_sym}"
 shift reference_colors
 shift referencechars
-set prompt_reference="%{${sgr_reset}%}<   >%{\e[s\e[3D${prompt_reference_core}${sgr_reset}\e[u%} "
+
+# CSI-Restore based semantic (breaks sometimes)
+#set prompt_reference="%{${sgr_reset}%}<   >%{\e[s\e[3D${prompt_reference_core}${sgr_reset}\e[u%} "
+
+# Restore based semantic
+#set prompt_reference="%{${sgr_reset}%}<   >%{\e7\e[3D${prompt_reference_core}${sgr_reset}\e8%} "
+
+# Explicit alignment based semantic
+set prompt_reference="%{${sgr_reset}%}<   >%{\e[3D${prompt_reference_core}${sgr_reset}\e[G\e[6C%} "
 
 if( $?cshenv_show_battery_level ) then
     if( $CSHENV_SYSTEM == "Darwin" ) then