vimtex break some subscript

[ChasingZenith]

Issue

Using Neovim here. No other latex relevent plugin used here.

1. subscript in _{} cannot work with vimtex, but only subscripts like _i.

with vimtex

without vimtex

minimal.tex

\documentclass{minimal}
\begin{document}
$x_i(t+1)=\sum_{j} w_{ij} x_j(t)$
\end{document}

[lervag]

Yes, that's true. It is impossible to make the subscripts work in general, so I chose to simplify things and remove support for the _{} variant. However, I guess it could be possible to allow _{} subscripts as long as the {} group only includes subscriptable characters.

Btw, you obviously didn't read the issue template...

Finally, please remove any boilerplate template content that is not relevant!

[ChasingZenith]

Thank you for your respond. But really hope that we can add this feature.
It seems that vimtex now cover the conceal provided by built-in vim. Even if I disable syntax by setting

let g:vimtex_syntax_enable=0
let g:vimtex_syntax_conceal_default=0

All syntax conceal disappears, I mean, the built-in conceal does not show up.

Sorry for mentioning that I want to disable vimtex-syntax which is a milestone for version 2.0 and 2.1. vimtex is a great latex plugin in VIM and adding syntax feature make it even better. I ask this just because this behave differently and I want to know why.

Sorry for not obeying the issue rule, have edited.

[lervag]

Even if I disable syntax by setting ...
All syntax conceal disappears, I mean, the built-in conceal does not show up.

Strange. I'll look into it. Do you have any related configuration, e.g. let g:tex_conceal?

Sorry for mentioning that I want to disable vimtex-syntax which is a milestone for version 2.0 and 2.1. vimtex is a great latex plugin in VIM and adding syntax feature make it even better. I ask this just because this behave differently and I want to know why.

Don't worry, I wouldn't mind if someone preferred the old syntax scripts either, and it should be possible to disable the vimtex syntax scripts.

Sorry for not obeying the issue rule, have edited.

No problem, I emphasized it because it was a little bit funny that you left only the part that explicitly asked you to remove it :)

[lervag]

Notice that the option is called g:vimtex_syntax_enabled.

[lervag]

Ok, I've added initial support for super/sub TeX groups. Let me know what you think.

[ChasingZenith]

Sorry for making this silly mistake.

haven't find any different after using master now.

I'm not very familiar with writing vim script, so I don't no what you have done, I need some time to learn something about it. I'm busy in these two days, I will take some time on this in this weekend.

[lervag]

This is how your example looks like on my end with the most recent version of Vimtex:

Please note that the subscript or superscript groups (i.e. {...}) that contain unsupported elements will not be changed. For instance with \sum_{\Delta j}:

[ChasingZenith]

All I would like to say is "Wow"!!!!! I couldn't expect more!

note that the subscript or superscript groups (i.e. {...}) that contain unsupported elements will not be changed.

Leaving (sub-) superscript unchanged if it contains unsupported elements is the dream feature that I was always looking for!

Since some symbols are not well concealed in subscript, so some of them in subscript or superscript group (i.e. {...}) may show are well concealing but some will just break and show as latex code, which gives a sense of incompleteness. However most of the time they are well behaved if it is not a (sub-) superscript. (Just like the \Delta in the subscript in your example)

Your improvement solve this case and make it much much better.

Since we have this attractive feature now. I think that we can change the gif in README.md in the repo main page. Not just showing compiling and quickfix, but also show how elegent it is to type LaTeX with vimtex

[lervag]

All I would like to say is "Wow"!!!!! I couldn't expect more!

Great, I'm glad you like it!

Since we have this attractive feature now. I think that we can change the gif in README.md in the repo main page. Not just showing compiling and quickfix, but also show how elegent it is to type LaTeX with vimtex

The gif is really old, so I guess it does make sense to update it to show off more of the new features. I'll leave this issue open until I get around to it.

[j1-lee]

This is cool. I have been wondering, although I don't use conceal, if there is a way to conceal the inverse sign ^{-1}. Now vimtex can handle this!

[lervag]

Sorry, but it seems I am not really mastering screencasting. I've made a minor update, but I never get satisfied with the result when I try to create a simple, but more advanced example. I would be very happy to consider contributions in this sphere. I've opened #1946, so let's continue the discussion there.

[lervag]

FYI: I got help and there is a new quick start video and the README has been updated. Feedback is appreciated.