Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Mount the downloaded WebStorm-10*.dmg disk image file as another disk in your system."

A block of code is set as follows:

<launch> 
 <group ns="/"> 
  <param name="rosversion" command="rosversion roslaunch" /> 
  <param name="rosdistro" command="rosversion -d" /> 
  <node pkg="rosout" type="rosout" name="rosout" respawn="true"/> 
 </group> 
</launch>

Any command-line input or output is written as follows:

$ rostopic list $ cd 

Bold: Indicates a new term, an important word, or words that you ...

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