Support other frame types that use "<expr> PRECEDING" or "<expr> FOLLOWING" as
treed9dd02df8091c3672b36024d7aaa299e16c9dede
drwxr-xr-x - .fossil-settings
-rw-r--r-- 44252 Makefile.in
-rw-r--r-- 3647 Makefile.linux-gcc
-rw-r--r-- 75921 Makefile.msc
-rw-r--r-- 14760 README.md
-rw-r--r-- 7 VERSION
-rw-r--r-- 282502 aclocal.m4
drwxr-xr-x - art
drwxr-xr-x - autoconf
-rw-r--r-- 45165 config.guess
-rw-r--r-- 3508 config.h.in
-rw-r--r-- 32990 config.sub
-rwxr-xr-x 405673 configure
-rw-r--r-- 22451 configure.ac
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rwxr-xr-x 5598 install-sh
-rw-r--r-- 245160 ltmain.sh
-rw-r--r-- 1515 magic.txt
-rw-r--r-- 34832 main.mk
-rw-r--r-- 937 mkso.sh
drwxr-xr-x - mptest
-rw-r--r-- 1796 spec.template
-rw-r--r-- 258 sqlite.pc.in
-rw-r--r-- 8928 sqlite3.1
-rw-r--r-- 267 sqlite3.pc.in
drwxr-xr-x - src
drwxr-xr-x - test
drwxr-xr-x - tool
drwxr-xr-x - vsixtest