Elaborate on the continuation line comment.

diff --git a/include/deal.II/base/parameter_handler.h b/include/deal.II/base/parameter_handler.h
index 9f37c091fe33bdfebd9c17bfa1611574da565201..d0c9db88e353a32e94539b9b150f23d7fd01d9eb 100644 (file)
--- a/include/deal.II/base/parameter_handler.h
+++ b/include/deal.II/base/parameter_handler.h
@@ -1016,8 +1016,11 @@ namespace Patterns
  *
  * Comments starting with \# are skipped.
  *
- * Continuation lines are allowed by means of the character <tt>\\</tt>,
- * which must be the last character of the line.
+ * Continuation lines are allowed by means of the character <tt>\\</tt>, which
+ * must be the last character (aside from whitespace, which is ignored) of the
+ * line. When a line is a continuation (i.e., the previous line ended in a
+ * <tt>\\</tt>), then, unlike the default behavior of the <tt>C</tt>
+ * preprocessor, all whitespace at the beginning of the line is ignored.
  *
  * We propose to use the following scheme to name entries: start the first
  * word with a capital letter and use lowercase letters further on. The same