K 10 svn:author V 2 se K 8 svn:date V 27 2020-09-15T16:22:05.342416Z K 7 svn:log V 292 Add descriptions of the WITH_(OUT)_GH_BC options that exist in -CURRENT (default: WITH_GH_BC) and 12-STABLE (default: WITHOUT_GH_BC). Since the new implementation of bc and dc is optionally available in 12-STABLE, I intend to MFC these descriptions for inclusion in 12.2. MFC after: 3 days END