diff --git a/c/parsing/lemon_report.c b/c/parsing/lemon_report.c
index 62b5e592af..c35f99a005 100644
--- a/c/parsing/lemon_report.c
+++ b/c/parsing/lemon_report.c
@@ -627,7 +627,7 @@ void print_stack_union(
 	int maxdtlength;          /* Maximum length of any ".datatype" field. */
 	char *stddt;              /* Standardized name for a datatype */
 	int i,j;                  /* Loop counters */
-	int hash;                 /* For hashing the name of a type */
+	unsigned hash;            /* For hashing the name of a type */
 	char *name;               /* Name of the parser */
 
 	/* Allocate and initialize types[] and allocate stddt[] */
@@ -677,7 +677,7 @@ void print_stack_union(
 		stddt[j] = 0;
 		hash = 0;
 		for(j=0; stddt[j]; j++){
-			hash = hash*53 + stddt[j];
+			hash = hash*53 + (unsigned)stddt[j];
 		}
 		hash = (hash & 0x7fffffff)%arraysize;
 		while (types[hash]) {
diff --git a/c/parsing/lemon_state_table.c b/c/parsing/lemon_state_table.c
index dbdcbfc45d..4a74a1b5f7 100644
--- a/c/parsing/lemon_state_table.c
+++ b/c/parsing/lemon_state_table.c
@@ -31,12 +31,12 @@ struct config *b;
 static int statehash(a)
 struct config *a;
 {
-	int h=0;
+	unsigned h=0;
 	while (a) {
-		h = h*571 + a->rp->index*37 + a->dot;
+		h = h*571 + (unsigned)a->rp->index*37 + (unsigned)a->dot;
 		a = a->bp;
 	}
-	return h;
+	return (int)h;
 }
 
 /* Allocate a new state structure */
diff --git a/c/parsing/lemon_string.c b/c/parsing/lemon_string.c
index 1bcb23f77d..2055b31026 100644
--- a/c/parsing/lemon_string.c
+++ b/c/parsing/lemon_string.c
@@ -5,9 +5,9 @@
 #include "lemon_string.h"
 
 int strhash(char *x) {
-	int h = 0;
+	unsigned h = 0;
 	while (*x) h = h*13 + *(x++);
-	return h;
+	return (int)h;
 }
 
 // ================================================================
diff --git a/c/todo.txt b/c/todo.txt
index 315621e751..89cbee25b1 100644
--- a/c/todo.txt
+++ b/c/todo.txt
@@ -27,13 +27,13 @@ airable:
 ! mld/mlh stats1 regex cookbook/10min examples
 
 ! termcvt -I
-!!! aux-list -> main help; dox too
+! aux-list -> main help; dox too
+
 * UT unhex
+
 ! faqent/cookbook/more:
   mlr termcvt --cr2lf foo.csv.cr > foo.csv
 
-! !autoreconf doc note w/ as-of-5.2.0 caveat
-
 * reg_test/run --mlrexec flag
 
 * across-all/regex x stats1 / many verbs
diff --git a/doc/manpage.html b/doc/manpage.html
index 3f48756745..e520e7ba91 100644
--- a/doc/manpage.html
+++ b/doc/manpage.html
@@ -2228,7 +2228,7 @@
 
 
 
-				  2017-06-14			     MILLER(1)
+				  2017-06-19			     MILLER(1)
 </pre>
 </div>
 <p/>
diff --git a/doc/manpage.txt b/doc/manpage.txt
index b6f35ce011..d11bc4f93f 100644
--- a/doc/manpage.txt
+++ b/doc/manpage.txt
@@ -2035,4 +2035,4 @@ SEE ALSO
 
 
 
-				  2017-06-14			     MILLER(1)
+				  2017-06-19			     MILLER(1)
diff --git a/doc/mlr.1 b/doc/mlr.1
index 4ff6178c71..431814eb36 100644
--- a/doc/mlr.1
+++ b/doc/mlr.1
@@ -2,12 +2,12 @@
 .\"     Title: mlr
 .\"    Author: [see the "AUTHOR" section]
 .\" Generator: ./mkman.rb
-.\"      Date: 2017-06-14
+.\"      Date: 2017-06-19
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "MILLER" "1" "2017-06-14" "\ \&" "\ \&"
+.TH "MILLER" "1" "2017-06-19" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Portability definitions
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~