[luatex] \openin with extensionless files.

[luigi scarso]

On Wed, Jan 22, 2020 at 10:30 PM Henri Menke <henrimenke at gmail.com> wrote:

> I might have found the bug.  Compare this bit in open_or_close_in(void)
>
>     if (cur_cmd != left_brace_cmd) {
>         /*tex Set |cur_name| to desired file name. */
>         scan_file_name();
>         if (cur_ext == get_nullstr())
>             cur_ext = maketexstring(".tex");
>     } else {
>         scan_file_name_toks();
>     }
>
> with this bit in start_input(void)
>
>     if (cur_cmd != left_brace_cmd) {
>         /*tex Set |cur_name| to desired file name. */
>         scan_file_name();
>     } else {
>         scan_file_name_toks();
>     }
>
> In the former the extra branch
>
>     if (cur_ext == get_nullstr())
>         cur_ext = maketexstring(".tex");
>
> does not make any sense actually because start_file_name does not set
> cur_ext, which is therefore either going to be NULL or still set to the
> last value.  I think it this branch were removed, the code would behave
> correctly.
>

Thank you fro the report, we will see it asap.
Probably it makes sense to have a  luatex-specific code  in any case, to
play safe with old versions of luatex.

-- 
luigi
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