add chktex to envs, update changelog

Author: bollwyvl

CHANGELOG.md

@@ -1,15 +1,17 @@
 ## CHANGELOG
 
-### `@krassowski/jupyterlab-lsp 1.1.0` (2020-07-20)
+### `jupyter-lsp 0.9.x` (unreleased)
 
-- features
+  - autodetects the `texlab` language server for LaTeX ([#288][])
+    - diagnostics are provided by `chktex`, and must be configured separately
 
-  - language servers can now be configured from the Advanced Settings Editor ([#245][])
+[#288]: https://github.com/krassowski/jupyterlab-lsp/issues/288
+
+### `@krassowski/jupyterlab-lsp 1.1.0` (2020-07-20)
 
 - features
 
-  - configures language servers with JupyterLab _Advanced Settings_ ([#245][])
-  - autodetects the `texlab` language server for LaTeX ([#288][])
+  - language servers can now be configured from the Advanced Settings Editor ([#245][])
 
 - bug fixes
 
@@ -20,15 +22,7 @@
   - fixes some pyflakes issues caused by line magics substitution ([#293][])
   - updated the link to the documentation of language servers ([#294][])
 
-### `lsp-ws-connection 0.4.1` (unreleased)
-
-- bug fixes
-
-  - handles document open and change operation ordering more predictably ([#284][])
-  - always sends a non-null `initialized` notification body ([#288][])
-
 [#195]: https://github.com/krassowski/jupyterlab-lsp/issues/195
-[#245]: https://github.com/krassowski/jupyterlab-lsp/pull/245
 [#261]: https://github.com/krassowski/jupyterlab-lsp/issues/261
 [#293]: https://github.com/krassowski/jupyterlab-lsp/pull/293
 [#294]: https://github.com/krassowski/jupyterlab-lsp/pull/294
@@ -55,7 +49,6 @@
 
 [#245]: https://github.com/krassowski/jupyterlab-lsp/pull/245
 [#284]: https://github.com/krassowski/jupyterlab-lsp/pull/284
-[#288]: https://github.com/krassowski/jupyterlab-lsp/pull/288
 
 ### `@krassowski/jupyterlab-lsp 1.0.0` (2020-03-14)
 

binder/environment.yml

@@ -36,3 +36,4 @@ dependencies:
   # for tex
   - tectonic
   - texlab
+  - chktex

ci/env-test.yml.in

@@ -24,6 +24,7 @@ dependencies:
   # tex
   - tectonic
   - texlab
+  - chktex
   # test tools
   - pytest-asyncio
   - pytest-azurepipelines