Use CVSRevision.deltatext_exists instead of deltatext_code.
tree223f70927afe9cfb2460d0809c8680136269765b
-rw-r--r-- 1847 BUGS
-rw-r--r-- 1654 CHANGES
-rw-r--r-- 979 COMMITTERS
-rw-r--r-- 2725 COPYING
-rw-r--r-- 661 HACKING
-rw-r--r-- 133 MANIFEST.in
-rw-r--r-- 457 Makefile
-rw-r--r-- 83 README
-rwxr-xr-x 62457 cvs2svn
-rw-r--r-- 5804 cvs2svn.1
drwxr-xr-x - cvs2svn_lib
drwxr-xr-x - cvs2svn_rcsparse
-rw-r--r-- 22108 design-notes.txt
-rwxr-xr-x 1342 dist.sh
drwxr-xr-x - packages
-rwxr-xr-x 3136 profile-repos.py
-rwxr-xr-x 74009 run-tests.py
-rwxr-xr-x 778 setup.py
-rwxr-xr-x 2663 show-db.py
drwxr-xr-x - test-data
-rwxr-xr-x 12823 verify-cvs2svn
drwxr-xr-x - www