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About this book

.. todolist::

.. todo:: Render text, fonts, RTL, LTR
.. todo:: LaTeX: 'abc' doesn't use the right glyph for '

The book is written in reStructuredText (reST) syntax and compiled by Sphinx.

I started to write in the 25th September 2010.


This book is distributed under the CC BY-SA 3.0 license.

Thanks to

Reviewers: Alexander Belopolsky, Antoine Pitrou, Feth Arezki and Nelle Varoquaux, Natal Ngétal.


  • 0bBBBBBBBB: 8 bit unsigned number written in binary, first digit is the most significant. For example, 0b10000000 is 128.
  • 0xHHHH: number written in hexadecimal, e.g. 0xFFFF is 65535.
  • 0xHH 0xHH ...: byte sequence with bytes written in hexadecimal, e.g. 0xC3 0xA9 (2 bytes) is the character é (U+00E9) :ref:`encoded <encode>` to UTF-8.
  • U+HHHH: Unicode character with its code point written in hexadecimal. For example, U+20AC is the "euro sign" character, code point 8,364. Big code point are written with more than 4 hexadecimal digits, e.g. U+10FFFF is the biggest (unallocated) code point of :ref:`Unicode Character Set <ucs>` 6.0: 1,114,111.
  • A—B: range including start and end. Examples:
    • 0x000x7F is the range 0 through 127 (128 bytes)
    • U+0000—U+00FF is the range 0 through 255 (256 characters)
  • {U+HHHH, U+HHHH, ...}: a :ref:`character string <str>`. For example, {U+0041, U+0042, U+0043} is the string "abc" (3 characters).