```
% pandoc -f markdown -t native
<?php echo "1" ; ?>
^D
[RawBlock (Format "html") "<?php echo \"1\" ; ?>"]
```

```
% pandoc -f markdown -t native
a<?php echo "1" ; ?>
^D
[Para [Str "a",RawInline (Format "html") "<?php echo \"1\" ; ?>"]]
```