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-rw-r--r--Build/source/texk/web2c/web2c/web2c-lexer.l4
1 files changed, 3 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/web2c/web2c-lexer.l b/Build/source/texk/web2c/web2c/web2c-lexer.l
index 585f31501c1..4568b6e41c2 100644
--- a/Build/source/texk/web2c/web2c/web2c-lexer.l
+++ b/Build/source/texk/web2c/web2c/web2c-lexer.l
@@ -1,11 +1,13 @@
%option never-interactive
-%{
+%top{
/* web2c-lexer.l -- lexical analysis for Tangle output. Public domain. */
#include "web2c.h"
#include "web2c-parser.h"
+}
+%{
/* Hack to make it possible to compile the generated code with C++
Required if you use flex. */
#ifdef __cplusplus