* subversion/libsvn_wc/wc-metadata.sql   (BASE_NODE, WORKING_NODE, ACTUAL_NODE): Tweak doc strings on several     columns. One particular change is to say "is null when ..." to avoid the     ambiguity of "may be null when ...".
* subversion/libsvn_wc/wc-metadata.sql
  (BASE_NODE, WORKING_NODE, ACTUAL_NODE): Tweak doc strings on several
    columns. One particular change is to say "is null when ..." to avoid the
    ambiguity of "may be null when ...".

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion