More warnings w.r.t. `.als'.

1 files changed, 4 insertions, 0 deletions

diff --git a/doc/groff.texinfo b/doc/groff.texinfo
index ce1055d5..767df8ac 100644
--- a/doc/groff.texinfo
+++ b/doc/groff.texinfo
@@ -10592,6 +10592,7 @@ Remove the request, macro, diversion, or string @var{xx}.  @code{gtroff}
 treats subsequent invocations as if the object had never been defined.
 @endDefreq
 
+@anchor{als}
 @Defreq {als, new old}
 @cindex alias, string, creating (@code{als})
 @cindex alias, macro, creating (@code{als})
@@ -11134,6 +11135,9 @@ Using @file{trace.tmac}, you can trace calls to @code{de} and
 
 Note that macro identifiers are shared with identifiers for strings and
 diversions.
+
+@xref{als,,the description of the @code{als} request}, for possible
+pitfalls if redefining a macro which has been aliased.
 @endDefreq
 
 @DefreqList {am, name [@Var{end}]}