Fix spelling issues

Although "cancelled" was flagged as misspelled it has been kept with
double l for consistency with `SANE_STATUS_CANCELLED`.

api.rst

@@ -5,11 +5,11 @@ The SANE Application Programmer Interface (API)
 
 This Section defines version 1 of the SANE application
 programmer interface (API). Any SANE frontend must depend on the
-interface defined in this section only. Converseley, any SANE backend
+interface defined in this section only. Conversely, any SANE backend
 must implement its functionality in accordance with this specification.
 The interface as documented here is declared as a C callable interface
 in a file called ``sane/sane.h``. This file should
-normally be included via a C pre-processor directive of the form:
+normally be included via a C preprocessor directive of the form:
 
     ::
 
@@ -25,7 +25,7 @@ the SANE standard is made that may render an existing frontend or
 backend incompatible with the new standard, the major version number
 must be increased. Thus, any frontend/backend pair is compatible
 provided the major version number of the SANE standard they implement is
-the same. A frontend may implement backwards compatiblity by allowing
+the same. A frontend may implement backwards compatibility by allowing
 major numbers that are smaller than the expected major number (provided
 the frontend really can cope with the older version). In contrast, a
 backend always provides support for one and only one version of the
@@ -34,7 +34,7 @@ versions of the same backend are accessible at the same time, it is
 possible to do so by installing the two versions under different names.
 
 SANE version control also includes a minor version number and a build
-revision. While control of these numbers remains with the implementor of
+revision. While control of these numbers remains with the implementer of
 a backend, the recommended use is as follows. The minor version is
 incremented with each official release of a backend. The build revision
 is increased with each build of a backend.
@@ -139,7 +139,7 @@ Note that :type:`SANE_Bool` is simply an alias of :type:`SANE_Word`. It is
 therefore always legal to use the latter type in place of the former.
 However, for clarity, it is recommended to use :type:`SANE_Bool` whenever a
 given variable or formal argument has a fixed interpretation as a
-boolean object.
+Boolean object.
 
 .. index:: SANE_Int
 
@@ -249,7 +249,7 @@ a ``'\0'`` (:data:`NUL`) character.
         typedef const SANE_Char *SANE_String_Const;
 
 The type :type:`SANE_String_Const` is provided by
-SANE to enable declaring strings whose contents is unchangable. Note
+SANE to enable declaring strings whose contents is unchangeable. Note
 that in ANSI C, the declaration
 
     ::
@@ -300,7 +300,7 @@ legible string.
    +--------------------------------------+------+---------------------------------------+
    | Symbol                               | Code | Description                           |
    +======================================+======+=======================================+
-   | .. macro:: SANE_STATUS_GOOD          |    0 | Operation completed succesfully.      |
+   | .. macro:: SANE_STATUS_GOOD          |    0 | Operation completed successfully.     |
    +--------------------------------------+------+---------------------------------------+
    | .. macro:: SANE_STATUS_UNSUPPORTED   |    1 | Operation is not supported.           |
    +--------------------------------------+------+---------------------------------------+
@@ -501,7 +501,7 @@ Option Description
 
 Member :member:`desc` is a (potentially very) long string that
 can be used as a help text to describe the option. It is the
-responsibility of the frontend to break the string into managable-length
+responsibility of the frontend to break the string into manageable-length
 lines. Newline characters in this string should be interpreted as
 paragraph breaks.
 
@@ -594,7 +594,7 @@ depending on the type of the option value:
 
     :macro:`SANE_TYPE_STRING`:
     The size is the maximum size of the string. For the purpose of
-    string size calcuations, the terminating :data:`NUL`
+    string size calculations, the terminating :data:`NUL`
     character is considered to be part of the string. Note that the
     terminating :data:`NUL` character must always be
     present in string option values.
@@ -614,7 +614,7 @@ Option Capabilities
 ^^^^^^^^^^^^^^^^^^^
 
 Member :member:`cap` describes what capabilities the option
-posseses. This is a bitset that is formed as the inclusive logical OR of
+possesses. This is a bitset that is formed as the inclusive logical OR of
 the capabilities described in :numref:`tab:capabilities`.
 The SANE API provides the following to macros to test certain features
 of a given capability bitset:
@@ -679,7 +679,7 @@ of a given capability bitset:
    |                                 |      | considered an "advanced user option."  A frontend typically               |
    |                                 |      | displays such options in a less conspicuous way than regular options      |
    |                                 |      | (e.g., a command line interface may list such options last or a           |
-   |                                 |      | graphical interface may make them available in a seperate "advanced       |
+   |                                 |      | graphical interface may make them available in a separate "advanced       |
    |                                 |      | settings" dialog).                                                        |
    +---------------------------------+------+---------------------------------------------------------------------------+
 
@@ -791,7 +791,7 @@ fail automatically and the user may be prevented from accessing
 protected resources. Backends are encouraged to implement means of
 authentication that do not require user assistance. E.g., on a
 multi-user system that authenticates users through a login process a
-backend could automatically lookup the apporpriate password based on
+backend could automatically lookup the appropriate password based on
 resource- and user-name.
 
 .. index:: SANE_Authorization_Callback, domain, username, password
@@ -895,10 +895,10 @@ This function may fail with one of the following status codes.
     The device name is not valid.
 
     :macro:`SANE_STATUS_IO_ERROR`:
-    An error occured while communicating with the device.
+    An error occurred while communicating with the device.
 
     :macro:`SANE_STATUS_NO_MEM`:
-    An insufficent amount of memory is available.
+    An insufficient amount of memory is available.
 
     :macro:`SANE_STATUS_ACCESS_DENIED`:
     Access to the device has been denied due to insufficient or
@@ -1049,10 +1049,10 @@ This function may fail with one of the following status codes.
     The option value is not valid.
 
     :macro:`SANE_STATUS_IO_ERROR`:
-    An error occured while communicating with the device.
+    An error occurred while communicating with the device.
 
     :macro:`SANE_STATUS_NO_MEM`:
-    An insufficent amount of memory is available.
+    An insufficient amount of memory is available.
 
     :macro:`SANE_STATUS_ACCESS_DENIED`:
     Access to the option has been denied due to insufficient or
@@ -1172,7 +1172,7 @@ able to properly cope with such “padded” image formats.
 :func:`sane_start`
 ~~~~~~~~~~~~~~~~~~
 
-This function initiates aquisition of an image from the device
+This function initiates acquisition of an image from the device
 represented by handle :data:`h`.
 
     ::
@@ -1201,7 +1201,7 @@ This function may fail with one of the following status codes.
     An error occurred while communicating with the device.
 
     :macro:`SANE_STATUS_NO_MEM`:
-    An insufficent amount of memory is available.
+    An insufficient amount of memory is available.
 
     :macro:`SANE_STATUS_INVAL`:
     The scan cannot be started with the current set of options. The
@@ -1267,7 +1267,7 @@ This function may fail with one of the following status codes.
     An error occurred while communicating with the device.
 
     :macro:`SANE_STATUS_NO_MEM`:
-    An insufficent amount of memory is available.
+    An insufficient amount of memory is available.
 
     :macro:`SANE_STATUS_ACCESS_DENIED`:
     Access to the device has been denied due to insufficient or
@@ -1290,7 +1290,7 @@ This function can be called at any time (as long as handle
 :data:`h` is a valid handle) but usually affects
 long-running operations only (such as image is acquisition). It is safe
 to call this function asynchronously (e.g., from within a signal
-handler). It is important to note that completion of this operaton does
+handler). It is important to note that completion of this operation does
 *not* imply that the currently pending operation has been cancelled. It
 only guarantees that cancellation has been *initiated*. Cancellation
 completes only when the cancelled call returns (typically with a status
@@ -1536,7 +1536,7 @@ implement it in a manner consistent with the above definition.
 Preview Mode Option
 ~~~~~~~~~~~~~~~~~~~
 
-The boolean option ``preview`` is used by a frontend to
+The Boolean option ``preview`` is used by a frontend to
 inform the backend when image acquisition should be optimized for speed,
 rather than quality (“preview mode”). When set to
 :macro:`SANE_TRUE`, preview mode is in effect, when set to
@@ -1567,7 +1567,7 @@ as seen by the sensor (which typically is a mirror image of the scan
 surface seen by the user). For this reason, the top-left corner is the
 corner for which the abscissa and ordinate values are simultaneously the
 *smallest* and the bottom-right corner is the corner for which the
-abscissa and ordinate values are simulatenously the *largest*. If this
+abscissa and ordinate values are simultaneously the *largest*. If this
 coordinate system is not natural for a given device, it is the job of
 the backend to perform the necessary conversions.
 

environment.rst

@@ -84,7 +84,7 @@ platform dependent. Several possibilities exist:
    :scale: 100%
    :align: center
 
-   Example SANE Hiearchy
+   Example SANE Hierarchy
 
 The above discussion lists just a few ways for frontends to attach to a
 backend. It is of course possible to combine these solutions to provide

net.rst

@@ -71,7 +71,7 @@ The four primitive types of the SANE standard are encoded as follows:
 
 :type:`SANE_Byte`
     A byte is encoded as an 8 bit value. Since the transport protocol is
-    assumed to be byte-orientd, the bit order is irrelevant.
+    assumed to be byte-oriented, the bit order is irrelevant.
 
 .. index:: SANE_Word
 
@@ -380,7 +380,7 @@ specifies the type of the option value (must be one of
 number of bytes (see Section :numref:`sec:valuesize` for the
 precise meaning of this value). Finally, argument
 :data:`value` is a pointer to the option value. It must be a
-writeable area that is at least :data:`value_size` bytes
+writable area that is at least :data:`value_size` bytes
 large. (Note that this area must be writable even if the action is to
 set the option value. This is because the backend may not be able to set
 the exact option value, in which case the option value is used to return

preface.rst

@@ -25,7 +25,7 @@ application on any platform to interoperate with any SANE backend for
 that platform.
 
 The remainder of this document is organized as follows.
-Chapter :numref:`chap:intro` provides introductional material.
+Chapter :numref:`chap:intro` provides introductory material.
 Chapter :numref:`chap:environ` presents the environment SANE is
 designed for. Chapter :numref:`chap:api` details the SANE
 Application Programmer Interface. Chapter :numref:`chap:net`

wordlist.txt

@@ -0,0 +1,19 @@
+backend
+backends
+bitset
+cancelled
+endian
+frontend
+frontends
+interoperate
+lossy
+luminance
+prepends
+preprocessor
+priori
+quantize
+quantized
+reimplementing
+runtime
+scalability
+setuid