[libstdc++] Slight doxygen reworking, more markup

[Richard Almquist]

diff -u -3 -p -r1.19 howto.html
--- howto.html	2002/02/02 00:18:22	1.19
+++ howto.html	2002/02/05 00:11:07
@@ -165,26 +165,28 @@


    <p>For each entry, we give the section number of the standard, when
-      applicable.  This list is known to be incomplet and inkorrekt.
+      applicable.  This list is probably incomplet and inkorrekt.
                                          incomplete    incorrect