From 960bfaca867c3c7e57a6954d57c3bc7907dfced7 Mon Sep 17 00:00:00 2001
From: Myk Taylor <myk002@yahoo.com>
Date: Fri, 10 Feb 2023 08:15:44 -0800
Subject: [PATCH] fix annotation parsing

ref: #2857
---
 library/lua/dfhack.lua | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/library/lua/dfhack.lua b/library/lua/dfhack.lua
index c8b15c191..2ee03dfed 100644
--- a/library/lua/dfhack.lua
+++ b/library/lua/dfhack.lua
@@ -657,16 +657,18 @@ function Script:get_flags()
         self.flags_mtime = mtime
         self._flags = {}
         local f = io.open(self.path)
-        local contents = f:read('*all')
-        f:close()
-        for line in contents:gmatch('^%-%-@([^\n]+)') do
-            local chunk = load(line, self.path, 't', self._flags)
+        for line in f:lines() do
+            local at_tag = line:match('^%-%-@(.+)')
+            if not at_tag then goto continue end
+            local chunk = load(at_tag, self.path, 't', self._flags)
             if chunk then
                 chunk()
             else
                 dfhack.printerr('Parse error: ' .. line)
             end
+            ::continue::
         end
+        f:close()
     end
     return self._flags
 end