chapter-02: Wording

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Wording

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Formatting

 - In some places the 10 is printed in monospace
 - Letters R and E in REPL are italic.

Note I've to resplit the whole paragraph just to
make it aligned in tex source, still the text itself
was not changed.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Fix typo

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Fix typo

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Wording

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Fix typo

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Wording

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Formatting

The section is italic one.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Wording

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
chapter-02: Use lower case where needed

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>