From fbb987b3c24b296697d7495048bcd272a63b6533 Mon Sep 17 00:00:00 2001
From: John Soo <jsoo1@asu.edu>
Date: Sun, 31 Oct 2021 20:04:48 -0700
Subject: Add details to error message regarding purpose of `signal` field.

---
 src/Xmobar/Config/Parse.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/Xmobar/Config/Parse.hs')

diff --git a/src/Xmobar/Config/Parse.hs b/src/Xmobar/Config/Parse.hs
index 123d00d..f7c8b31 100644
--- a/src/Xmobar/Config/Parse.hs
+++ b/src/Xmobar/Config/Parse.hs
@@ -106,7 +106,8 @@ parseConfig defaultConfig =
       pAlpha = readField alpha "alpha"
       pVerbose = readField verbose "verbose"
 
-      pSignal = field signal "signal" $ fail "use default signal"
+      pSignal = field signal "signal" $
+        fail "signal is meant for use with Xmobar as a library.\n It is not meant for use in the configuration file."
 
       pCommands = field commands "commands" readCommands
 
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