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Diffstat (limited to 'gcc/doc/cpp.texi')
| -rw-r--r-- | gcc/doc/cpp.texi | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index 1941753..a7f3cd2 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -176,7 +176,6 @@ Obsolete Features * Assertions:: * Obsolete once-only headers:: -* Miscellaneous obsolete features:: @end detailmenu @end menu @@ -3625,7 +3624,6 @@ In some cases, we plan to remove the feature in a future version of GCC@. @menu * Assertions:: * Obsolete once-only headers:: -* Miscellaneous obsolete features:: @end menu @node Assertions @@ -3748,41 +3746,6 @@ matter what. but it is not recognized by all preprocessors, so you cannot rely on it in a portable program. -@node Miscellaneous obsolete features -@subsection Miscellaneous obsolete features - -Here are a few more obsolete features. - -@itemize @bullet -@cindex invalid token paste -@item Attempting to paste two tokens which together do not form a valid -preprocessing token. - -The preprocessor currently warns about this and outputs the two tokens -adjacently, which is probably the behavior the programmer intends. It -may not work in future, though. - -Most of the time, when you get this warning, you will find that @samp{##} -is being used superstitiously, to guard against whitespace appearing -between two tokens. It is almost always safe to delete the @samp{##}. - -@cindex pragma poison -@item @code{#pragma poison} - -This is the same as @code{#pragma GCC poison}. The version without the -@code{GCC} prefix is deprecated. @xref{Pragmas}. - -@cindex multi-line string constants -@item Multi-line string constants - -Older versions of GCC allowed string constants to extend across -multiple logical lines of the source file. This ill-considered -extension has now been removed. Instead, make use of ISO C -concatenation of adjacent string literals, or use @samp{\n} followed -by a backslash-newline. - -@end itemize - @node Differences from previous versions @section Differences from previous versions @cindex differences from previous versions |