small fixups

- remove -c abbrv. for --vips-concurrency
- better desc for insert
- revise vips.1 man page

TODO

@@ -6,9 +6,11 @@
   on set_progress(FALSE) vips_sink_disc() should stop calling
   vips_image_preeval()
 
-- rewrite vips.1 manpage
+- shouldn't 
 
-- remove -c abbrev. for --vips-concurrency
+	$ vips invert --help
+
+  produce help for invert? or did that get removed?
 
 - threadpool recyling might be useful for dzsave?
 

libvips/conversion/insert.c

@@ -451,7 +451,8 @@ vips_insert_class_init( VipsInsertClass *class )
 	gobject_class->get_property = vips_object_get_property;
 
 	vobject_class->nickname = "insert";
-	vobject_class->description = _( "insert an image" );
+	vobject_class->description = 
+		_( "insert image @sub into @main at @x, @y" );
 	vobject_class->build = vips_insert_build;
 
 	operation_class->flags = VIPS_OPERATION_SEQUENTIAL_UNBUFFERED;

libvips/iofuncs/init.c

@@ -511,7 +511,7 @@ static GOptionEntry option_entries[] = {
 	{ "vips-fatal", 0, G_OPTION_FLAG_HIDDEN | G_OPTION_FLAG_NO_ARG, 
 		G_OPTION_ARG_CALLBACK, (gpointer) &vips_set_fatal_cb, 
 		N_( "abort on first error or warning" ), NULL },
-	{ "vips-concurrency", 'c', 0, 
+	{ "vips-concurrency", 0, 0, 
 		G_OPTION_ARG_INT, &vips__concurrency, 
 		N_( "evaluate with N concurrent threads" ), "N" },
 	{ "vips-tile-width", 0, G_OPTION_FLAG_HIDDEN, 

man/vips.1

@@ -6,13 +6,13 @@ vips \- run vips operations from the command line
 .SH DESCRIPTION
 .B vips(1)
 is the VIPS universal main program. You can use it to run any VIPS operation
-from the command line, to query the VIPS function database, and to
+from the command line, to query the VIPS class hierarchy, and to
 maintain parts of the VIPS library.
 
 To run a VIPS function, the first argument should be the name of the function
 and following arguments should be the function parameters. For example:
 
-  $ vips im_invert lena.v lena2.v
+  $ vips invert lena.v lena2.v
 
 .SH OPTIONS
 .TP
@@ -28,7 +28,7 @@ Show VIPS version.
 .TP
 .B list PACKAGE
 List operations defined in PACKAGE. PACKAGE can also be "classes", "packages"
-or "all".
+or "all". 
 
 .TP
 .B cpph PACKAGE
@@ -46,26 +46,27 @@ vips8 interface.
 
 .SH EXAMPLES
 
-Run a vips7 operation. The vips7 interface does not suport optional arguments.
-
-  $ vips im_invert lena.v lena2.v
-
 Run a vips8 operation. Operation options must follow the operation name.
 
-  $ vips add --imtest=option.jpg lena.v lena2.v out.v
+  $ vips insert lena.v lena2.v out.v 0 0 --background "128 0 0"
 
 Get a "usage" message for an operation
 
-  $ vips add 
+  $ vips insert 
+  insert image @sub into @main at @x, @y
   usage:
-     add left right out
-     add two images
+     insert main sub out x y
   where:
-     left         - Left-hand image argument, input VipsImage
-     right        - Right-hand image argument, input VipsImage
+     main         - Main input image, input VipsImage
+     sub          - Sub-image to insert into main image, input VipsImage
      out          - Output image, output VipsImage
+     x            - Left edge of sub in main, input gint
+     y            - Top edge of sub in main, input gint
+  optional arguments:
+     expand       - Expand output to hold all of both inputs, input gboolean
+     background   - Colour for new pixels, input VipsArrayDouble
   operation flags: sequential-unbuffered 
-  add: too few arguments
+  insert: too few arguments
 
 .SH RETURN VALUE
 returns 0 on success and non-zero on error.