"Options:\n" \
"\t-n\t\tsuppress automatic printing of pattern space\n" \
"\t-e script\tadd the script to the commands to be executed\n" \
- "\t-f scriptfile\tadd the contents of script-file to the commands to be executed\n" \
+ "\t-f scriptfile\tadd script-file contents to the\n" \
+ "\t\t\tcommands to be executed\n" \
+ "\t-i\t\tEdit files in-place\n" \
"\n" \
- "If no -e or -f is given, the first non-option argument is taken as the\n" \
- "sed script to interpret. All remaining arguments are names of input\n" \
- "files; if no input files are specified, then the standard input is read."
+ "If no -e or -f is given, the first non-option argument is taken as the sed\n"\
+ "script to interpret. All remaining arguments are names of input files; if no\n"\
+ "input files are specified, then the standard input is read. Source files\n" \
+ "will not be modified unless -i option is given."
+
#define sed_example_usage \
"$ echo "foo" | sed -e 's/f[a-zA-Z]o/bar/g'\n" \
"bar\n"