Input:	>TZ PATH=/bin:/usr/bin XAUTHORITY<
Output:	>TZ<
Output:	>PATH=/bin:/usr/bin<
Output:	>XAUTHORITY<
Input:	>TZ { LESS=-m -C -s -f -e } XAUTHORITY<
Output:	>TZ<
Output:	>LESS=-m -C -s -f -e<
Output:	>XAUTHORITY<
Input:	>{ LESS=-m -C -s -f -e } TZ XAUTHORITY<
Output:	>LESS=-m -C -s -f -e<
Output:	>TZ<
Output:	>XAUTHORITY<
Input:	>TZ XAUTHORITY { LESS=-m -C -s -f -e }<
Output:	>TZ<
Output:	>XAUTHORITY<
Output:	>LESS=-m -C -s -f -e<
Input:	>TZ { LESS=-m -C -s -f -e  XAUTHORITY<
unknown: warning: stdin: missing '}' in "{ LESS=-m -C -s -f -e  XAUTHORITY"
Output:	>TZ<
Output:	>LESS=-m -C -s -f -e  XAUTHORITY<
Input:	>TZ { LESS=-m -C -s -f -e }x XAUTHORITY<
unknown: warning: stdin: syntax error after '}' in "{ LESS=-m -C -s -f -e }x"
Output:	>TZ<
Output:	>LESS=-m -C -s -f -e<
Output:	>XAUTHORITY<
