From b634b3d5f34edc335a25239e833f9054620c6094 Mon Sep 17 00:00:00 2001
From: Jannick <unknown>
Date: Mon, 28 Aug 2017 17:07:27 +1000
Subject: Bug [#1966]. "defined A" removes "A" before replacing "defined" with
 value.

---
 doc/ScintillaHistory.html | 7 ++++---
 lexers/LexCPP.cxx         | 1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index a6ea45827..faa16e696 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -533,9 +533,10 @@
 	Released 16 August 2017.
 	</li>
 	<li>
-	The C++ lexer improved preprocessor conformance.
-	Default value of 0 for undefined preprocessor symbols.
-	#define A is treated as #define A 1.
+	The C++ lexer improved preprocessor conformance.<br />
+	Default value of 0 for undefined preprocessor symbols.<br />
+	#define A is treated as #define A 1.<br />
+	"defined A" removes "A" before replacing "defined" with value.
 	<a href="http://sourceforge.net/p/scintilla/bugs/1966/">Bug #1966</a>.
 	</li>
 	<li>
diff --git a/lexers/LexCPP.cxx b/lexers/LexCPP.cxx
index 3fa925b40..840d3c8b9 100644
--- a/lexers/LexCPP.cxx
+++ b/lexers/LexCPP.cxx
@@ -1522,6 +1522,7 @@ void LexerCPP::EvaluateTokens(std::vector<std::string> &tokens, const SymbolTabl
 				if (it != preprocessorDefinitions.end()) {
 					val = "1";
 				}
+				tokens.erase(tokens.begin() + i + 1, tokens.begin() + i + 2);
 			}
 			tokens[i] = val;
 		} else {
-- 
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