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Usually, you would encode CR and LF as the XML entities and respectively. However, roslaunch trims whitespace (including CR/LF) from the beginning and the end of a parameter string value (which is unfortunate and possibly a bug), and seems to convert CR/LF and CR to LF even when encoded properly (which would be a bug in the XML parser).

Usually, you would encode CR and LF as the XML entities 
 and 
 respectively. However, roslaunch trims whitespace (including CR/LF) from the beginning and the end of a parameter string value (which is unfortunate and possibly a bug), and seems to convert CR/LF and CR to LF even when encoded properly (which would be a bug in the XML parser).

Usually, you would encode CR and LF as the XML entities 
 and 
 respectively. However, roslaunch trims whitespace (including CR/LF) from the beginning and the end of a parameter string value (which is unfortunate and possibly a bug), and seems to convert apply the XML end-of-line handling (convert CR/LF and CR to LF LF) even when to these encoded properly entities (which would be a bug in the XML parser).

Usually, you would encode CR and LF as the XML entities 
 and 
 respectively. However, roslaunch trims whitespace (including CR/LF) from the beginning and the end of a parameter string value (which is unfortunate and possibly a bug), and seems to apply the XML end-of-line handling (convert CR/LF CR+LF and CR to LF) even to these encoded entities (which would be a bug in the XML parser).