docs/{micropython,sys,uos}: Use markup adhering to the latest docs conventions.

docs/library/micropython.rst

@@ -23,30 +23,30 @@ Functions
    variable, and does not take up any memory during execution.
 
    This `const` function is recognised directly by the MicroPython parser and is
-   provided as part of the `micropython` module mainly so that scripts can be
+   provided as part of the :mod:`micropython` module mainly so that scripts can be
    written which run under both CPython and MicroPython, by following the above
    pattern.
 
 .. function:: opt_level([level])
 
-   If `level` is given then this function sets the optimisation level for subsequent
+   If *level* is given then this function sets the optimisation level for subsequent
-   compilation of scripts, and returns `None`.  Otherwise it returns the current
+   compilation of scripts, and returns ``None``.  Otherwise it returns the current
    optimisation level.
 
 .. function:: alloc_emergency_exception_buf(size)
 
-   Allocate ``size`` bytes of RAM for the emergency exception buffer (a good
+   Allocate *size* bytes of RAM for the emergency exception buffer (a good
    size is around 100 bytes).  The buffer is used to create exceptions in cases
    when normal RAM allocation would fail (eg within an interrupt handler) and
    therefore give useful traceback information in these situations.
 
    A good way to use this function is to put it at the start of your main script
-   (eg boot.py or main.py) and then the emergency exception buffer will be active
+   (eg ``boot.py`` or ``main.py``) and then the emergency exception buffer will be active
    for all the code following it.
 
 .. function:: mem_info([verbose])
 
-   Print information about currently used memory.  If the ``verbose`` argument
+   Print information about currently used memory.  If the *verbose`* argument
    is given then extra information is printed.
 
    The information that is printed is implementation dependent, but currently
@@ -55,7 +55,7 @@ Functions
 
 .. function:: qstr_info([verbose])
 
-   Print information about currently interned strings.  If the ``verbose``
+   Print information about currently interned strings.  If the *verbose*
    argument is given then extra information is printed.
 
    The information that is printed is implementation dependent, but currently
@@ -89,10 +89,10 @@ Functions
    incoming stream of characters that is usually used for the REPL, in case
    that stream is used for other purposes.
 
-.. function:: schedule(fun, arg)
+.. function:: schedule(func, arg)
 
-   Schedule the function `fun` to be executed "very soon".  The function
+   Schedule the function *func* to be executed "very soon".  The function
-   is passed the value `arg` as its single argument.  "very soon" means that
+   is passed the value *arg* as its single argument.  "Very soon" means that
    the MicroPython runtime will do its best to execute the function at the
    earliest possible time, given that it is also trying to be efficient, and
    that the following conditions hold:

docs/library/sys.rst

@@ -10,13 +10,13 @@ Functions
 .. function:: exit(retval=0)
 
    Terminate current program with a given exit code. Underlyingly, this
-   function raise as ``SystemExit`` exception. If an argument is given, its
+   function raise as `SystemExit` exception. If an argument is given, its
-   value given as an argument to ``SystemExit``.
+   value given as an argument to `SystemExit`.
 
 .. function:: print_exception(exc, file=sys.stdout)
 
-   Print exception with a traceback to a file-like object `file` (or
+   Print exception with a traceback to a file-like object *file* (or
-   ``sys.stdout`` by default).
+   `sys.stdout` by default).
 
    .. admonition:: Difference to CPython
       :class: attention
@@ -24,7 +24,7 @@ Functions
       This is simplified version of a function which appears in the
       ``traceback`` module in CPython. Unlike ``traceback.print_exception()``,
       this function takes just exception value instead of exception type,
-      exception value, and traceback object; `file` argument should be
+      exception value, and traceback object; *file* argument should be
       positional; further arguments are not supported. CPython-compatible
       ``traceback`` module can be found in micropython-lib.
 
@@ -37,15 +37,15 @@ Constants
 
 .. data:: byteorder
 
-   The byte order of the system ("little" or "big").
+   The byte order of the system (``"little"`` or ``"big"``).
 
 .. data:: implementation
 
    Object with information about the current Python implementation. For
    MicroPython, it has following attributes:
 
-   * `name` - string "micropython"
+   * *name* - string "micropython"
-   * `version` - tuple (major, minor, micro), e.g. (1, 7, 0)
+   * *version* - tuple (major, minor, micro), e.g. (1, 7, 0)
 
    This object is the recommended way to distinguish MicroPython from other
    Python implementations (note that it still may not exist in the very
@@ -95,10 +95,10 @@ Constants
 
    The platform that MicroPython is running on. For OS/RTOS ports, this is
    usually an identifier of the OS, e.g. ``"linux"``. For baremetal ports it
-   is an identifier of a board, e.g. "pyboard" for the original MicroPython
+   is an identifier of a board, e.g. ``"pyboard"`` for the original MicroPython
    reference board. It thus can be used to distinguish one board from another.
    If you need to check whether your program runs on MicroPython (vs other
-   Python implementation), use ``sys.implementation`` instead.
+   Python implementation), use `sys.implementation` instead.
 
 .. data:: stderr
 

docs/library/uos.rst

@@ -22,15 +22,15 @@ Functions
 
    This function returns an iterator which then yields 3-tuples corresponding to
    the entries in the directory that it is listing.  With no argument it lists the
-   current directory, otherwise it lists the directory given by `dir`.
+   current directory, otherwise it lists the directory given by *dir*.
 
-   The 3-tuples have the form `(name, type, inode)`:
+   The 3-tuples have the form *(name, type, inode)*:
 
-    - `name` is a string (or bytes if `dir` is a bytes object) and is the name of
+    - *name* is a string (or bytes if *dir* is a bytes object) and is the name of
       the entry;
-    - `type` is an integer that specifies the type of the entry, with 0x4000 for
+    - *type* is an integer that specifies the type of the entry, with 0x4000 for
       directories and 0x8000 for regular files;
-    - `inode` is an integer corresponding to the inode of the file, and may be 0
+    - *inode* is an integer corresponding to the inode of the file, and may be 0
       for filesystems that don't have such a notion.
 
 .. function:: listdir([dir])
@@ -90,5 +90,5 @@ Functions
 .. function:: dupterm(stream_object)
 
    Duplicate or switch MicroPython terminal (the REPL) on the passed stream-like
-   object. The given object must implement the `.readinto()` and `.write()`
+   object. The given object must implement the ``readinto()`` and ``write()``
    methods. If ``None`` is passed, previously set redirection is cancelled.