From dd77ac4c0a2137cd955ce213d3e35f725dcaccca Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Fri, 19 Feb 2016 22:54:38 -0800
Subject: [PATCH] lib: note debugLevel gotcha in GHCI

---
 hledger-lib/Hledger/Utils/Debug.hs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hledger-lib/Hledger/Utils/Debug.hs b/hledger-lib/Hledger/Utils/Debug.hs
index ab8324afd..928c63da4 100644
--- a/hledger-lib/Hledger/Utils/Debug.hs
+++ b/hledger-lib/Hledger/Utils/Debug.hs
@@ -70,8 +70,10 @@ ptrace msg = do
 -- @--debug@ command line flag sets it to 1, or @--debug=N@ sets it to
 -- a higher value (note: not @--debug N@ for some reason).  This uses
 -- unsafePerformIO and can be accessed from anywhere and before normal
--- command-line processing. After command-line processing, it is also
--- available as the @debug_@ field of 'Hledger.Cli.CliOptions.CliOpts'.
+-- command-line processing. When running with :main in GHCI, you must
+-- touch and reload this module to see the effect of a new --debug option.
+-- After command-line processing, it is also available as the @debug_@
+-- field of 'Hledger.Cli.CliOptions.CliOpts'.
 -- {-# OPTIONS_GHC -fno-cse #-} 
 -- {-# NOINLINE debugLevel #-}
 debugLevel :: Int