pandoc-3.10: test/command/3123.md

```
% 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\" ; ?>"
    ]
]
```