MSR: Support whitespace after directives
You can now add whitespace after MSR directives like `RET:` or
`STDERR:`.
This commit fixes
@@ -127,7 +127,7 @@ translate()
then
tmp=$(sed -n 's/\(\s\)*# \(.*\)/\2/p' <<<"$line")
cmd=$(cut -d ':' -f1 <<< "$tmp")
- arg=$(cut -d ':' -f2- <<< "$tmp")
+ arg=$(cut -d ':' -f2- <<< "$tmp" | sed 's/[[:space:]]*//')
case "$cmd" in
RET)
