Make sure that line directives start on the beginning of a line

diff --git a/lang/cem/cpp.ansi/preprocess.c b/lang/cem/cpp.ansi/preprocess.c
index f8b7063..d10292d 100644 (file)
--- a/lang/cem/cpp.ansi/preprocess.c
+++ b/lang/cem/cpp.ansi/preprocess.c
@@ -134,7 +134,7 @@ preprocess(fn)
                        if (! options['P']) {                           \
                                register char *p = Xbuf;                \
                                                                        \
-                               sprint(p, "%s %d \"%s\"\n",             \
+                               sprint(p, "\n%s %d \"%s\"\n",           \
                                        LINE_PREFIX,                    \
                                        LineNumber,                     \
                                        FileName);                      \