escaped blanks: one one two two text

escaped 'e' character: one\eone two text

escaped backslash before blank:
IB one\ two
text
br
escaped backslash before 'e' character: one\\e two text

double inter-argument space: one two text

triple inter-argument space: one two text

single eol blank: one two text

double eol blank: one two text

triple eol blank: one two text

standard quoted: "one" "two" text

quoted quotes: "one""one" """two""" text

quoted whitespace: "one one" "two two" text

escaped 'e' characters: "one \e one" "\e" text

escaped backslash before blank: "one\ one" "\ " text

escaped backslash before 'e' character: "one\\eone" "\\e" text

double inter-argument space: "one one" "two two" text

triple inter-argument space: "one one" "two two" text

missing inter-argument space: "one one"two two text

single eol blank: "one one" "two two" text

double eol blank: "one one" "two two" text

triple eol blank: "one one" "two two" text

trailing blanks in arguments:
IB "one " "two "
text
br
unterminated quotes: "one one "two text

single trailing blank in unterminated quotes:
IB "one
IB one "two
text
br
double trailing blank in unterminated quotes:
IB "one
IB one "two
text
br
backslash at eol: one two\