diff options
Diffstat (limited to 'gcc/doc/cpp.texi')
| -rw-r--r-- | gcc/doc/cpp.texi | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index 76d7b0cdef4..e8f7e9e7a68 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -1515,10 +1515,10 @@ token pasting. However, two tokens that don't together form a valid token cannot be pasted together. For example, you cannot concatenate @code{x} with @code{+} in either order. If you try, the preprocessor issues a warning -and emits the two tokens as if they had been written next to each other. -It is common to find unnecessary uses of @samp{##} in complex macros. -If you get this warning, it is likely that you can simply remove the -@samp{##}. +and emits the two tokens. Whether it puts white space between the +tokens is undefined. It is common to find unnecessary uses of @samp{##} +in complex macros. If you get this warning, it is likely that you can +simply remove the @samp{##}. Both the tokens combined by @samp{##} could come from the macro body, but you could just as well write them as one token in the first place. |