remove a bit of redundant code, and add a few more comment fixes

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2059 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

src/nano.c

@@ -1567,12 +1567,10 @@ bool do_int_spell_fix(const char *word)
 #ifndef NANO_SMALL
     if (old_mark_set) {
 	/* If the mark is on, partition the filestruct so that it
-	 * contains only the marked text, set edittop to the top of the
-	 * marked text, and turn the mark off. */
+	 * contains only the marked text, and turn the mark off. */
 	mark_order((const filestruct **)&top, &top_x,
 	    (const filestruct **)&bot, &bot_x);
 	filepart = partition_filestruct(top, top_x, bot, bot_x);
-	edittop = fileage;
 	UNSET(MARK_ISSET);
     }
 #endif

src/search.c

@@ -687,7 +687,7 @@ ssize_t do_replace_loop(const char *needle, const filestruct
     if (old_mark_set) {
 	/* If the mark is on, partition the filestruct so that it
 	 * contains only the marked text, set right_side_up properly,
-	 * set edittop to the top of the marked text, turn the mark off,
+	 * set edittop to the top of the partition, turn the mark off,
 	 * and refresh the screen. */
 	mark_order((const filestruct **)&top, &top_x,
 	    (const filestruct **)&bot, &bot_x);