diff --git a/libvips/deprecated/rename.c b/libvips/deprecated/rename.c
index cd304505..c8305c4d 100644
--- a/libvips/deprecated/rename.c
+++ b/libvips/deprecated/rename.c
@@ -568,3 +568,127 @@ im_plotpoint( IMAGE *im, int x, int y, PEL *pel )
 {
 	return( im_draw_point( im, x, y, pel ) );
 }
+
+/* Smear a section of an IMAGE. As above, but shift it left a bit.
+ */
+int
+im_smear( IMAGE *im, int ix, int iy, Rect *r )
+{	
+	int x, y, a, b, c;
+	int ba = im->Bands;
+	int el = ba * im->Xsize;
+	Rect area, image, clipped;
+	double total[ 256 ];
+
+	if( im_rwcheck( im ) )
+		return( -1 );
+
+	/* Don't do the margins.
+	 */
+	area = *r;
+	area.left += ix;
+	area.top += iy;
+	image.left = 0;
+	image.top = 0;
+	image.width = im->Xsize;
+	image.height = im->Ysize;
+	im_rect_marginadjust( &image, -1 );
+	image.left--;
+	im_rect_intersectrect( &area, &image, &clipped );
+
+	/* Any left?
+	 */
+	if( im_rect_isempty( &clipped ) )
+		return( 0 );
+
+/* What we do for each type.
+ */
+#define SMEAR(TYPE) \
+	for( y = clipped.top; y < clipped.top + clipped.height; y++ ) \
+		for( x = clipped.left;  \
+			x < clipped.left + clipped.width; x++ ) { \
+			TYPE *to = (TYPE *) im->data + x * ba + y * el; \
+			TYPE *from = to - el; \
+			TYPE *f; \
+ 			\
+			for( a = 0; a < ba; a++ ) \
+				total[a] = 0.0; \
+			\
+			for( a = 0; a < 3; a++ ) { \
+				f = from; \
+				for( b = 0; b < 3; b++ ) \
+					for( c = 0; c < ba; c++ ) \
+						total[c] += *f++; \
+				from += el; \
+			} \
+ 			\
+			for( a = 0; a < ba; a++ ) \
+				to[a] = (40 * (double) to[a+ba] + total[a]) \
+					/ 49.0; \
+		}
+
+	/* Loop through the remaining pixels.
+	 */
+	switch( im->BandFmt ) {
+	case IM_BANDFMT_UCHAR: 
+		SMEAR(unsigned char); 
+		break; 
+
+	case IM_BANDFMT_CHAR: 
+		SMEAR(char); 
+		break; 
+
+	case IM_BANDFMT_USHORT: 
+		SMEAR(unsigned short); 
+		break; 
+
+	case IM_BANDFMT_SHORT: 
+		SMEAR(short); 
+		break; 
+
+	case IM_BANDFMT_UINT: 
+		SMEAR(unsigned int); 
+		break; 
+
+	case IM_BANDFMT_INT: 
+		SMEAR(int); 
+		break; 
+
+	case IM_BANDFMT_FLOAT: 
+		SMEAR(float); 
+		break; 
+
+	case IM_BANDFMT_DOUBLE: 
+		SMEAR(double); 
+		break; 
+
+	/* Do complex types too. Just treat as float and double, but with
+	 * twice the number of bands.
+	 */
+	case IM_BANDFMT_COMPLEX:
+		/* Twice number of bands: double size and bands.
+		 */
+		ba *= 2;
+		el *= 2;
+
+		SMEAR(float);
+
+		break;
+
+	case IM_BANDFMT_DPCOMPLEX:
+		/* Twice number of bands: double size and bands.
+		 */
+		ba *= 2;
+		el *= 2;
+
+		SMEAR(double);
+
+		break;
+
+	default:
+		im_error( "im_smear", "%s", _( "unknown band format" ) );
+		return( -1 );
+	}
+
+	return( 0 );
+}
diff --git a/libvips/inplace/Makefile.am b/libvips/inplace/Makefile.am
index bf0fdbc8..771a562c 100644
--- a/libvips/inplace/Makefile.am
+++ b/libvips/inplace/Makefile.am
@@ -3,14 +3,14 @@ noinst_LTLIBRARIES = libinplace.la
 libinplace_la_SOURCES = \
 	draw.c \
 	draw.h \
+	flood.c \
 	im_draw_circle.c \
 	im_draw_line.c \
 	im_draw_image.c \
 	im_draw_rect.c \
 	im_draw_mask.c \
 	im_draw_point.c \
-	flood.c \
-	inplace_dispatch.c \
-	smudge_area.c
+	im_smudge_area.c \
+	inplace_dispatch.c
 
 INCLUDES = -I${top_srcdir}/libvips/include @VIPS_CFLAGS@ @VIPS_INCLUDES@ 
diff --git a/libvips/inplace/flood.c b/libvips/inplace/flood.c
index 061f17b5..c31773a1 100644
--- a/libvips/inplace/flood.c
+++ b/libvips/inplace/flood.c
@@ -512,15 +512,15 @@ im_flood_blob( IMAGE *im, int x, int y, PEL *ink, Rect *dout )
  * @serial: mark pixels with this number
  * @dout: output the bounding box of the filled area 
  *
- * Flood-fill @mark with @serial, starting at position @x, @y. The filled 
+ * Flood-fill @image with @serial, starting at position @x, @y. The filled 
  * area is bounded by pixels in @test that are equal to the start pixel, in 
  * other words, it searches @test for a blob of same-coloured pixels, marking 
- * those pixels in @mark with @serial.
+ * those pixels in @image with @serial.
  *
  * The bounding box of the modified pixels is returned in @dout. @dout may be
  * NULL.
  *
- * This an inplace operation, so @mark is changed. It does not thread and will
+ * This an inplace operation, so @image is changed. It does not thread and will
  * not work well as part of a pipeline. On 32-bit machines, it will be limited
  * to 2GB images.
  *
diff --git a/libvips/inplace/im_draw_image.c b/libvips/inplace/im_draw_image.c
index aedeaa8d..8f86ba80 100644
--- a/libvips/inplace/im_draw_image.c
+++ b/libvips/inplace/im_draw_image.c
@@ -23,6 +23,7 @@
  * 	- cast and bandalike sub to main
  * 22/9/10
  * 	- rename to im_draw_image()
+ * 	- gtk-doc
  */
 
 /*
@@ -96,11 +97,11 @@ im__inplace_base( const char *domain,
 }
 
 /**
- * im_insertplace:
+ * im_draw_image:
  * @main: image to draw on
+ * @sub: image to draw
  * @x: position to insert
  * @y: position to insert
- * @sub: image to draw
  *
  * Draw @sub on top of @main at position @x, @y. The two images must have the 
  * same
diff --git a/libvips/inplace/smudge_area.c b/libvips/inplace/im_smudge_area.c
similarity index 58%
rename from libvips/inplace/smudge_area.c
rename to libvips/inplace/im_smudge_area.c
index 409ff598..f5780c32 100644
--- a/libvips/inplace/smudge_area.c
+++ b/libvips/inplace/im_smudge_area.c
@@ -1,16 +1,4 @@
-/* @(#) Smudge and smear a piece of image. Smudge is a low-pass filter,
- * @(#) smear is an early version of smudge which contains a bug: it 
- * @(#) pushes pels to the left a little too. Looks cute though.
- * @(#) 
- * @(#) r is the area to smudge/smear. Clipped against the image edges
- * @(#) properly.
- * @(#) 
- * @(#) int
- * @(#) im_smudge( IMAGE *im, int ix, int iy, Rect *r )
- * @(#) 
- * @(#) int
- * @(#) im_smear( IMAGE *im, int ix, int iy, Rect *r )
- * @(#) 
+/* Smudge a piece of image. 
  *
  * Copyright: J. Cupitt
  * Written: 15/06/1992
@@ -192,127 +180,3 @@ im_smudge( IMAGE *im, int ix, int iy, Rect *r )
 
 	return( 0 );
 }
-
-/* Smear a section of an IMAGE. As above, but shift it left a bit.
- */
-int
-im_smear( IMAGE *im, int ix, int iy, Rect *r )
-{	
-	int x, y, a, b, c;
-	int ba = im->Bands;
-	int el = ba * im->Xsize;
-	Rect area, image, clipped;
-	double total[ 256 ];
-
-	if( im_rwcheck( im ) )
-		return( -1 );
-
-	/* Don't do the margins.
-	 */
-	area = *r;
-	area.left += ix;
-	area.top += iy;
-	image.left = 0;
-	image.top = 0;
-	image.width = im->Xsize;
-	image.height = im->Ysize;
-	im_rect_marginadjust( &image, -1 );
-	image.left--;
-	im_rect_intersectrect( &area, &image, &clipped );
-
-	/* Any left?
-	 */
-	if( im_rect_isempty( &clipped ) )
-		return( 0 );
-
-/* What we do for each type.
- */
-#define SMEAR(TYPE) \
-	for( y = clipped.top; y < clipped.top + clipped.height; y++ ) \
-		for( x = clipped.left;  \
-			x < clipped.left + clipped.width; x++ ) { \
-			TYPE *to = (TYPE *) im->data + x * ba + y * el; \
-			TYPE *from = to - el; \
-			TYPE *f; \
- 			\
-			for( a = 0; a < ba; a++ ) \
-				total[a] = 0.0; \
-			\
-			for( a = 0; a < 3; a++ ) { \
-				f = from; \
-				for( b = 0; b < 3; b++ ) \
-					for( c = 0; c < ba; c++ ) \
-						total[c] += *f++; \
-				from += el; \
-			} \
- 			\
-			for( a = 0; a < ba; a++ ) \
-				to[a] = (40 * (double) to[a+ba] + total[a]) \
-					/ 49.0; \
-		}
-
-	/* Loop through the remaining pixels.
-	 */
-	switch( im->BandFmt ) {
-	case IM_BANDFMT_UCHAR: 
-		SMEAR(unsigned char); 
-		break; 
-
-	case IM_BANDFMT_CHAR: 
-		SMEAR(char); 
-		break; 
-
-	case IM_BANDFMT_USHORT: 
-		SMEAR(unsigned short); 
-		break; 
-
-	case IM_BANDFMT_SHORT: 
-		SMEAR(short); 
-		break; 
-
-	case IM_BANDFMT_UINT: 
-		SMEAR(unsigned int); 
-		break; 
-
-	case IM_BANDFMT_INT: 
-		SMEAR(int); 
-		break; 
-
-	case IM_BANDFMT_FLOAT: 
-		SMEAR(float); 
-		break; 
-
-	case IM_BANDFMT_DOUBLE: 
-		SMEAR(double); 
-		break; 
-
-	/* Do complex types too. Just treat as float and double, but with
-	 * twice the number of bands.
-	 */
-	case IM_BANDFMT_COMPLEX:
-		/* Twice number of bands: double size and bands.
-		 */
-		ba *= 2;
-		el *= 2;
-
-		SMEAR(float);
-
-		break;
-
-	case IM_BANDFMT_DPCOMPLEX:
-		/* Twice number of bands: double size and bands.
-		 */
-		ba *= 2;
-		el *= 2;
-
-		SMEAR(double);
-
-		break;
-
-	default:
-		im_error( "im_smear", "%s", _( "unknown band format" ) );
-		return( -1 );
-	}
-
-	return( 0 );
-}