diff --git a/c/todo.txt b/c/todo.txt
index 655f0ee32..ac33d8d43 100644
--- a/c/todo.txt
+++ b/c/todo.txt
@@ -11,7 +11,7 @@ MAJOR: autoconfig
 
 ----------------------------------------------------------------
 MAJOR: multi-char separators for file formats other than CSV
-k oxs done functionally
+k oxs is functionally done
 * need backslash-handling/parsing ... at least, \r \n \t. and, into online help.
 ! ixs:
   o ips & ifs: needs *p==ixs with strneq(p, ixs); also double-null poke (sos&eos)
@@ -19,6 +19,7 @@ k oxs done functionally
   o irs for stdio: it all comes down to getdelim.
   ! so focus on getline perf.
   ! maybe best idea is to re-impl getdelim with multichar irs.
+    - rework csv reader to look more like csvlite (which is performant)?
   ! temporary option is getdelim with final char of the multichar irs; strcmp backwards;
     usually get it right; occasionally have to strcat/memcpy multiple such. this is
     gross so don't do it unless multichar-getdelim doesn't pan out.
@@ -36,11 +37,17 @@ MAJOR: csv mem-leak/read-perf
   but lrec_put w/ !LREC_FREE_VALUE for ptr-backed.
 * or *maybe* pbr retent/free-flags for string/mmap w/o denorm, but only
   if it's both elegant and fast
+! experimental/getlines.c shows that even without the heap-fragging
+  issue, pfr+psb is 3.5x slower than getdelim. again suggesting
+  multi-char-terminated getdelim might be the best line of approach.
 
 ----------------------------------------------------------------
 MINOR
 
-? dkvp quoting ... maybe wait until after the mmap/perf split
+* define dkvp, nidx, etc @ cover x 2
+
+? dkvp quoting ... wait until after the mmap/perf split. else, very undesirable
+  performance regression.
 
 * go back and re-apply ctype/isprint portability things to new spots
 
@@ -49,8 +56,7 @@ MINOR
 * dsls/ build outside of pwd? or just lemon $(absdir)/filenamegoeshere.y?
 * configure w/o autotools? likewise manpage. etc. multiple build levels.
 
-* define dkvp, nidx, etc @ cover x 2
-* mlr faq page
+b mlr faq page
 
 * --mmap @ mlr -h
 * ctype ff @ bld.out
@@ -59,8 +65,6 @@ MINOR
 * -h vs. usage : stdout vs. stderr
 * pprint join?
 
-
-
 * header-length data mismatch et. al: file/line
 
 * make an updated dependency list, esp. in light of a2x et al.