X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Ferror.texi;h=24ab0a05a47c8f8aaccf9fa5a87290ffc5f6707f;hb=001adc94db55b40012385a852ab7ce16d2e65a6f;hp=8668359aec1a378b0d95bad6c99fbe7d1e70a587;hpb=f890dce30d447be286789f452c133bf1ea1da033;p=gnulib.git

diff --git a/doc/error.texi b/doc/error.texi
index 8668359ae..24ab0a05a 100644
--- a/doc/error.texi
+++ b/doc/error.texi
@@ -18,5 +18,9 @@ does not depend on the @code{progname} module.  Why?  Because
 @code{error} is released under the LGPL, whereas @code{progname} is
 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 
+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.