[OSRS-PROJ] epsg code 21781 towgs values gone

[Claude Philipona]

Hello,

Why did the towgs code disappeard in version 1.6 of the epsg file
definition?

version 1.4, 2001/09/12 01:50:58
<21781> +proj=omerc +lat_0=46.952405556 +lonc=7.439583333
+alpha=90.000000000 +k=1.000000000 +x_0=600000.000 +y_0=200000.000
+ellps=bessel +towgs84=660.077,13.551,369.344,2.484,1.783,2.939,5.66
+units=m  no_defs <>

version 1.6, 2003/03/31 14:38:07
<21781> +proj=omerc +lat_0=46.95240555555556 +lonc=7.439583333333333
+alpha=90 +k=1 +x_0=600000 +y_0=200000 +ellps=bessel +units=m +no_defs
no_defs <>

Claude Philipona
----------------------------------------
PROJ.4 Discussion List
See http://www.remotesensing.org/proj for subscription, unsubscription
and other information.