Re-word description of nonterminals in man page.

There's no reason to assume that "function arguments" are typeset with
an underline.  So re-word that sentence to avoid directly stating
typographical conventions by using an example instead.

diff --git a/doc/man/cdecl99.1 b/doc/man/cdecl99.1
index e5f15602c67c6db86258231e6cea9479bb0a2b1c..8d5e7d3f9385d78e7ba3bcaced72b24a4e13c255 100644 (file)
--- a/doc/man/cdecl99.1
+++ b/doc/man/cdecl99.1
@@ -99,9 +99,9 @@ format is based on the one used in
 .Xr cdecl 1 ,
 and is described by the following context-free grammar.  This grammar is for
 illustrative purposes only: it is ambiguous and doesn't capture all the nuances
-of the C language.  In this grammar,
-.Fa underlined words
-are nonterminals, \[*e] represents the empty string, and both
+of the C language.  In this grammar, nonterminals are represented
+.Fa thusly ,
+\[*e] represents the empty string, and both
 .Li |
 and successive \[->] under the same nonterminal indicate alternation.  All
 other symbols are terminals.  The nonterminals