From 34646cfca7876cbf23c5789ca040efb8441e2d27 Mon Sep 17 00:00:00 2001
From: "Wolfgang (Blub) Bumiller" <blub@speed.at>
Date: Fri, 16 Nov 2012 20:04:30 +0100
Subject: [PATCH] Update #if description comment

---
 ftepp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ftepp.c b/ftepp.c
index a240643..32312ba 100644
--- a/ftepp.c
+++ b/ftepp.c
@@ -185,12 +185,13 @@ static bool ftepp_define(ftepp_t *ftepp)
  *    defined(FOO) => true if FOO was #defined regardless of parameters or contents
  *    <numbers>    => True if the number is not 0
  *    !<factor>    => True if the factor yields false
+ *    !!<factor>   => ERROR on 2 or more unary nots
  *    <macro>      => becomes the macro's FIRST token regardless of parameters
  *    <e> && <e>   => True if both expressions are true
  *    <e> || <e>   => True if either expression is true
  *    <string>     => False
  *    <ident>      => False (remember for macros the <macro> rule applies instead)
- * Unary + and - are skipped
+ * Unary + and - are weird and wrong in fteqcc so we don't allow them
  * parenthesis in expressions are allowed
  * parameter lists on macros are errors
  * No mathematical calculations are executed
-- 
2.39.2