From 9028fdfb0144e236e9856715764c41cff237ab62 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Sun, 26 Aug 2012 17:08:09 -0700
Subject: Formula factory: add comment

---
 Library/Homebrew/formula.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 2b3305d20..cb6b44eb8 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -410,6 +410,8 @@ class Formula
     # have a "no such formula" message.
     raise
   rescue LoadError, NameError
+    # Catch NameError so that things that are invalid symbols still get
+    # a useful error message.
     raise FormulaUnavailableError.new(name)
   end
 
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