diff --git a/home/bashrc b/home/bashrc
index 290a2b8..b8cf955 100644
--- a/home/bashrc
+++ b/home/bashrc
@@ -15,43 +15,23 @@ set +o histexpand # disable expansion of ! characters
 
 _temporary_scope_() {
     local t="${TERM%%-*}" title=
-
-    local ESC="\\E"
-    local BEL="\\a"
-    local SI="\\017" # switch to G0 charset
-    local SO="\\016" # switch to G1 charset
-
-    local CSI="$ESC["
-    local OSC="$ESC]"
-
-    if [ "$t" = xterm ] || [ "$t" = screen ] || [ "$t" = tmux ]; then
-        title="\\\\w"
-        [ "$t" = tmux ] || title="\\\\H: $title"
-        title="${OSC}2;$title$BEL"
-    fi
-
-    local G0="(" # change G0 charset
-    local G1=")" # change G1 charset
-    local USASCII="B" # sane default
-    local SPECIAL="0" # DEC Special Character and Line Drawing Set
-
+    local hide='\\[' show='\\]' prompt='\\$' cwd='\\w' host='\\H'
+    local ESC='\E' BEL='\a' SI='\017' SO='\016' # SI/SO: switch to G0/G1 charset
+    local CSI="$ESC[" OSC="$ESC]"
+    local G0="(" G1=")" # change G0/G1 charset
+    local USASCII="B" SPECIAL="0" # charsets: sane default & line drawing
     local DECTCEM="25"
-    local DECSET="h"
-    local SGR="m"
-
+    local DECSET="h" SGR="m" # final characters of a command sequence
     local sanity="$ESC$G0$USASCII$SI$CSI?$DECTCEM$DECSET"
-    local hide="\\\\["
-    local show="\\\\]"
-    local prompt="\\\\$"
-    local reset="$hide$CSI$SGR$show"
-    local color1="$CSI;--$SGR"
-    local color2="$CSI--;97$SGR"
+    local color1="$CSI;--$SGR" color2="$CSI--;97$SGR" reset="$hide$CSI$SGR$show"
     local line1="$hide$title$sanity$color1$show $reset"
     local line2="$hide$color2$show$prompt$reset "
     local ret="$line1\\n$line2"
-    local ret_okay="${ret//--/42}" # use green background
-    local ret_fail="${ret//--/41}" # use red background
-
+    local ret_okay="${ret//--/42}" ret_fail="${ret//--/41}" # green/red bg
+    if [ "$t" = xterm ] || [ "$t" = screen ] || [ "$t" = tmux ]; then
+        [ "$t" = tmux ] && title="$cwd" || title="$host: $cwd"
+        title="${OSC}2;$title$BEL"
+    fi
     PROMPT_COMMAND="[ \$? = 0 ] && PS1=\$'$ret_okay' || PS1=\$'$ret_fail'"
 }; _temporary_scope_; unset -f _temporary_scope_