[libgroff]: Slightly refactor.

* src/include/error.h: Drop `extern` storage class from diagnostic
  function prototypes.

Also update editor aid comments; drop old style Emacs file-local
variable setting.

1 files changed, 42 insertions, 37 deletions

diff --git a/src/include/error.h b/src/include/error.h
index 6784c51a4..359b4d167 100644
--- a/src/include/error.h
+++ b/src/include/error.h
@@ -1,4 +1,3 @@
-// -*- C++ -*-
 /* Copyright (C) 1989-2020 Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
@@ -17,52 +16,58 @@ for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
-extern void fatal_with_file_and_line(const char *filename, int lineno,
-				     const char *format,
-				     const errarg &arg1 = empty_errarg,
-				     const errarg &arg2 = empty_errarg,
-				     const errarg &arg3 = empty_errarg);
+void fatal_with_file_and_line(const char *filename, int lineno,
+			      const char *format,
+			      const errarg &arg1 = empty_errarg,
+			      const errarg &arg2 = empty_errarg,
+			      const errarg &arg3 = empty_errarg);
 
-extern void error_with_file_and_line(const char *filename, int lineno,
-				     const char *format,
-				     const errarg &arg1 = empty_errarg,
-				     const errarg &arg2 = empty_errarg,
-				     const errarg &arg3 = empty_errarg);
+void error_with_file_and_line(const char *filename, int lineno,
+			      const char *format,
+			      const errarg &arg1 = empty_errarg,
+			      const errarg &arg2 = empty_errarg,
+			      const errarg &arg3 = empty_errarg);
 
-extern void warning_with_file_and_line(const char *filename, int lineno,
-				     const char *format,
-				     const errarg &arg1 = empty_errarg,
-				     const errarg &arg2 = empty_errarg,
-				     const errarg &arg3 = empty_errarg);
+void warning_with_file_and_line(const char *filename, int lineno,
+				const char *format,
+				const errarg &arg1 = empty_errarg,
+				const errarg &arg2 = empty_errarg,
+				const errarg &arg3 = empty_errarg);
 
-extern void debug_with_file_and_line(const char *filename, int lineno,
-				     const char *format,
-				     const errarg &arg1 = empty_errarg,
-				     const errarg &arg2 = empty_errarg,
-				     const errarg &arg3 = empty_errarg);
+void debug_with_file_and_line(const char *filename, int lineno,
+			      const char *format,
+			      const errarg &arg1 = empty_errarg,
+			      const errarg &arg2 = empty_errarg,
+			      const errarg &arg3 = empty_errarg);
 
-extern void fatal(const char *,
-		  const errarg &arg1 = empty_errarg,
-		  const errarg &arg2 = empty_errarg,
-		  const errarg &arg3 = empty_errarg);
+void fatal(const char *,
+	   const errarg &arg1 = empty_errarg,
+	   const errarg &arg2 = empty_errarg,
+	   const errarg &arg3 = empty_errarg);
 
-extern void error(const char *,
-		  const errarg &arg1 = empty_errarg,
-		  const errarg &arg2 = empty_errarg,
-		  const errarg &arg3 = empty_errarg);
+void error(const char *,
+	   const errarg &arg1 = empty_errarg,
+	   const errarg &arg2 = empty_errarg,
+	   const errarg &arg3 = empty_errarg);
 
-extern void warning(const char *,
-		    const errarg &arg1 = empty_errarg,
-		    const errarg &arg2 = empty_errarg,
-		    const errarg &arg3 = empty_errarg);
+void warning(const char *,
+	     const errarg &arg1 = empty_errarg,
+	     const errarg &arg2 = empty_errarg,
+	     const errarg &arg3 = empty_errarg);
 
-extern void debug(const char *,
-		  const errarg &arg1 = empty_errarg,
-		  const errarg &arg2 = empty_errarg,
-		  const errarg &arg3 = empty_errarg);
+void debug(const char *,
+	   const errarg &arg1 = empty_errarg,
+	   const errarg &arg2 = empty_errarg,
+	   const errarg &arg3 = empty_errarg);
 
 
 extern "C" const char *program_name;
 extern int current_lineno;
 extern const char *current_filename;
 extern const char *current_source_filename;
+
+// Local Variables:
+// fill-column: 72
+// mode: C++
+// End:
+// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: