Fix more errors

.pre-commit-config.yaml

@@ -28,3 +28,4 @@ repos:
     rev: v0.27.1
     hooks:
       - id: markdownlint
+        args: ['--fix']

docs/contributing/features.md

@@ -40,9 +40,11 @@ If there's agreement that the feature belongs in one or more of the core stacks:
 2. Please build the image locally before submitting a pull request. Building the image locally
    shortens the debugging cycle by taking some load off GitHub Actions, which graciously provide
    free build services for open source projects like this one. If you use `make`, call:
+
    ```bash
    make build/somestack-notebook
    ```
+
 3. [Submit a pull request](https://github.com/PointCloudLibrary/pcl/wiki/A-step-by-step-guide-on-preparing-and-submitting-a-pull-request)
    (PR) with your changes.
 4. Watch for GitHub to report a build success or failure for your PR on GitHub.

docs/contributing/packages.md

@@ -16,9 +16,11 @@ Please follow the process below to update a package version:
 3. Please build the image locally before submitting a pull request. Building the image locally
    shortens the debugging cycle by taking some load off GitHub Actions, which graciously provide
    free build services for open source projects like this one. If you use `make`, call:
+
    ```bash
    make build/somestack-notebook
    ```
+
 4. [Submit a pull request](https://github.com/PointCloudLibrary/pcl/wiki/A-step-by-step-guide-on-preparing-and-submitting-a-pull-request)
    (PR) with your changes.
 5. Watch for GitHub to report a build success or failure for your PR on GitHub.

docs/contributing/tests.md

@@ -23,10 +23,12 @@ Please follow the process below to add new tests:
 2. If your test should run against a single image, add your test code to one of the modules in
    `some-notebook/test/` or create a new module.
 3. Build one or more images you intend to test and run the tests locally. If you use `make`, call:
+
    ```bash
    make build/somestack-notebook
    make test/somestack-notebook
    ```
+
 4. [Submit a pull request](https://github.com/PointCloudLibrary/pcl/wiki/A-step-by-step-guide-on-preparing-and-submitting-a-pull-request)
    (PR) with your changes.
 5. Watch for GitHub to report a build success or failure for your PR on GitHub.

docs/using/recipes.md

@@ -166,11 +166,13 @@ ENTRYPOINT ["jupyter", "lab", "--ip=0.0.0.0", "--allow-root"]
 ```
 
 And build the image as:
+
 ```bash
 docker build -t jupyter/scipy-dasklabextension:latest .
 ```
 
 Once built, run using the command:
+
 ```bash
 docker run -it --rm -p 8888:8888 -p 8787:8787 jupyter/scipy-dasklabextension:latest
 ```
@@ -273,6 +275,7 @@ ARG BASE_CONTAINER=ubuntu:focal-20200423@sha256:238e696992ba9913d24cfc3727034985
 ```
 
 For Ubuntu 18.04 (bionic) and earlier, you may also require to workaround for a mandb bug, which was fixed in mandb >= 2.8.6.1:
+
 ```dockerfile
 # https://git.savannah.gnu.org/cgit/man-db.git/commit/?id=8197d7824f814c5d4b992b4c8730b5b0f7ec589a
 # http://launchpadlibrarian.net/435841763/man-db_2.8.5-2_2.8.6-1.diff.gz