Fix comment.

diff --git a/src/casefile.c b/src/casefile.c
index f7d171f766be4402fdd9a104b8ca827ae7b59023..706a6b93916dc727e5e5711bdf579a730e69a852 100644 (file)
--- a/src/casefile.c
+++ b/src/casefile.c
@@ -61,17 +61,13 @@
           independent position in the casefile.
 
           Casereaders may only move forward.  They cannot move
           independent position in the casefile.
 
           Casereaders may only move forward.  They cannot move

-          backward to arbitrary records or seek randomly.  (In the
-          future, the concept of a "casemark" will be introduced
-          to allow a limited form of backward seek, but this has
-          not yet been implemented.)
-
-          Cloning casereaders is possible, but no one has had a
-          need for it yet, so it is not implemented.
+          backward to arbitrary records or seek randomly.
+          Cloning casereaders is possible, but it is not yet
+          implemented.

 
           Use casefile_get_reader() to create a casereader for
 
           Use casefile_get_reader() to create a casereader for

-          use in phase 2.  This also transitions from phase 2 to
-          phase 3.  Calling casefile_mode_reader() makes the same
+          use in phase 2.  This also transitions from phase 1 to
+          phase 2.  Calling casefile_mode_reader() makes the same

           transition, without creating a casereader.
 
           Use casereader_read(), casereader_read_xfer(), or
           transition, without creating a casereader.
 
           Use casereader_read(), casereader_read_xfer(), or


@@ -83,9 +79,8 @@
           also read with casereaders in this phase, but the
           ability to create new casereaders is curtailed.
 
           also read with casereaders in this phase, but the
           ability to create new casereaders is curtailed.
 

-          In this phase, casereaders could still be cloned, and
-          casemarks could still be used to seek backward (given
-          that we eventually implement these functionalities).
+          In this phase, casereaders could still be cloned (once
+          we eventually implement cloning).

 
           To transition from phase 1 or 2 to phase 3 and create a
           casereader, call casefile_get_destructive_reader().
 
           To transition from phase 1 or 2 to phase 3 and create a
           casereader, call casefile_get_destructive_reader().


@@ -96,8 +91,8 @@
           more casereaders may be created with
           casefile_get_reader() or
           casefile_get_destructive_reader().  (If cloning of
           more casereaders may be created with
           casefile_get_reader() or
           casefile_get_destructive_reader().  (If cloning of

-          casereaders or casemarks were implemented, they would
-          still be possible.)
+          casereaders were implemented, it would still be
+          possible.)

 
           The purpose of the limitations applied to casereaders
           in phase 3 is to allow in-memory casefiles to fully
 
           The purpose of the limitations applied to casereaders
           in phase 3 is to allow in-memory casefiles to fully