X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Ferror.texi;h=3a80486f342b47d35a5ff3660c7649edd31147bd;hb=77727b466465e992c1b68b32b790982747144222;hp=8668359aec1a378b0d95bad6c99fbe7d1e70a587;hpb=f890dce30d447be286789f452c133bf1ea1da033;p=gnulib.git

diff --git a/doc/error.texi b/doc/error.texi
index 8668359ae..3a80486f3 100644
--- a/doc/error.texi
+++ b/doc/error.texi
@@ -20,3 +20,7 @@ GPL.  RMS does not want additional baggage accompanying the
 @code{error} module, so an LGPL user must provide their own
 replacement @code{program_name}, and a GPL user should manually 
 specify using the @code{progname} module.
+
+Additionally, using the @code{progname} module is not something that
+can be done implicitly. It requires that every @code{main()} function
+be modified to set @code{program_name} as one of its first actions.