diff --git a/nuttx/Documentation/NXGraphicsSubsystem.html b/nuttx/Documentation/NXGraphicsSubsystem.html
index 4408de6cf2..6c72771bc5 100644
--- a/nuttx/Documentation/NXGraphicsSubsystem.html
+++ b/nuttx/Documentation/NXGraphicsSubsystem.html
@@ -255,7 +255,7 @@
 <ul>
   <li><b>Virtual Vertical Graphics Space</b>.
     Windows that reside in a virtual, <i>vertical</i> space so that it makes
-    sense to talk about one window being on top of another and obcuring the
+    sense to talk about one window being on top of another and obscuring the
     window below it.
   </li>
   <li><b>Client/Server Model</b>.
diff --git a/nuttx/Documentation/NuttXNxFlat.html b/nuttx/Documentation/NuttXNxFlat.html
index 3a59397871..e6923a8bcb 100644
--- a/nuttx/Documentation/NuttXNxFlat.html
+++ b/nuttx/Documentation/NuttXNxFlat.html
@@ -143,7 +143,8 @@
   This feature is especially attractive when combined with the NuttX ROMFS support:
   ROMFS allows you to execute programs in place (XIP) in flash without copying anything
   other than the .data section to RAM.
-  In fact, the initial NXFLAT release will work only on ROMFS.
+  In fact, the initial NXFLAT release only worked on ROMFS.
+  Later extensions also support execution NXFLAT binaries from an SRAM copy as well.
 </p>
 <p>
   This NuttX feature includes:
diff --git a/nuttx/TODO b/nuttx/TODO
index 087977aee0..2745452395 100644
--- a/nuttx/TODO
+++ b/nuttx/TODO
@@ -15,7 +15,7 @@ nuttx/
   (5)  Binary loaders (binfmt/)
  (17)  Network (net/, drivers/net)
   (3)  USB (drivers/usbdev, drivers/usbhost)
- (10)  Libraries (lib/)
+ (11)  Libraries (lib/)
  (10)  File system/Generic drivers (fs/, drivers/)
   (5)  Graphics subystem (graphics/)
   (1)  Pascal add-on (pcode/)
@@ -689,7 +689,14 @@ o Libraries (lib/)
   Description: Only the %f floating point format is supported.  Others are accepted
                but treated like %f.
   Status:      Open
-  Priority:    Medium (this might important to someone.
+  Priority:    Medium (this might important to someone).
+
+  Title:       FLOATING POINT PRECISION
+  Description: A fieldwidth and precision is required with the %f format.  If %f
+               is used with no format, than floating numbers will be printed with
+               a precision of 0 (effectively presented as integers).
+  Status:      Open
+  Priority:    Medium (this might important to someone).
 
 o File system / Generic drivers (fs/, drivers/)
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/nuttx/lib/stdio/lib_libdtoa.c b/nuttx/lib/stdio/lib_libdtoa.c
index 77045d9b0b..1e022a8ebe 100644
--- a/nuttx/lib/stdio/lib_libdtoa.c
+++ b/nuttx/lib/stdio/lib_libdtoa.c
@@ -132,7 +132,6 @@ static void lib_dtoa(FAR struct lib_outstream_s *obj, int fmt, int prec,
   FAR char *digits;     /* String returned by __dtoa */
   FAR char *digalloc;   /* Copy of digits to be freed after usage */
   FAR char *rve;        /* Points to the end of the return value */
-  char sign;            /* Temporary negative sign for floats */
   int  expt;            /* Integer value of exponent */
   int  numlen;          /* Actual number of digits returned by cvt */
   int  nchars;          /* Number of characters to print */
@@ -144,11 +143,7 @@ static void lib_dtoa(FAR struct lib_outstream_s *obj, int fmt, int prec,
   if (value < 0)
     {
       value = -value;
-      sign = '-';
-    }
-  else
-    {
-      sign = '\0';
+      SET_NEGATE(flags);
     }
 
   /* Perform the conversion */
@@ -157,7 +152,7 @@ static void lib_dtoa(FAR struct lib_outstream_s *obj, int fmt, int prec,
   digalloc = digits;
   numlen   = rve - digits;
 
-  if (sign)
+  if (IS_NEGATE(flags))
     {
       obj->put(obj, '-');
     }