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-rw-r--r--gcc/cpplib.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h
index f1c36a0..e68d1cb 100644
--- a/gcc/cpplib.h
+++ b/gcc/cpplib.h
@@ -154,7 +154,8 @@ struct cpp_buffer {
"@-" means following identifier should not be macro-expanded.
"@ " means a token-separator. This turns into " " in final output
if not stringizing and needed to separate tokens; otherwise nothing.
- "@@" means a normal '@'. */
+ "@@" means a normal '@'.
+ (An '@' inside a string stands for itself and is never an escape.) */
char has_escapes;
};