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Conventions and feedback

The following describes the typographical conventions and how to give feedback:

Typographical conventions

The following typographical conventions are used:


Denotes text that can be entered at the keyboard, such as commands, file and program names, and source code.


Denotes a permitted abbreviation for a command or option. The underlined text can be entered instead of the full command or option name.

monospace italic

Denotes arguments to commands and functions where the argument is to be replaced by a specific value.

monospace bold

Denotes language keywords when used outside example code.


Highlights important notes, introduces special terminology, denotes internal cross-references, and citations.


Highlights interface elements, such as menu names. Also used for emphasis in descriptive lists, where appropriate, and for ARM® processor signal names.

Feedback on this product

If you have any comments and suggestions about this product, contact your supplier and give:

  • your name and company

  • the serial number of the product

  • details of the release you are using

  • details of the platform you are using, such as the hardware platform, operating system type and version

  • a small standalone sample of code that reproduces the problem

  • a clear explanation of what you expected to happen, and what actually happened

  • the commands you used, including any command-line options

  • sample output illustrating the problem

  • the version string of the tools, including the version number and build numbers.

Feedback on content

If you have comments on content then send an e-mail to Give:

  • the title

  • the number, ARM DUI 0471F

  • if viewing online, the topic names to which your comments apply

  • if viewing a PDF version of a document, the page numbers to which your comments apply

  • a concise explanation of your comments.

ARM also welcomes general suggestions for additions and improvements.

ARM periodically provides updates and corrections to its documentation on the ARM Information Center, together with knowledge articles and Frequently Asked Questions (FAQs).