Replaces multiple blank lines with a single blank line

CONTRIBUTING_DOCS.md

@@ -186,20 +186,17 @@ The naming and layout of the side navigation bar is stored in `_data/$VERSION/na
 
 > **Note**: Sidebar paths to index files (see [next section](#linking-content)) should end in a `/` in the yaml file. Sidebar paths to actual files should not end in a `/` in the yaml file.
 
-
 ## Link syntax
 
 ### Closing slashes
 
 To link to a page not named `index.md`, omit the closing slash. To link to a page named `index.md`, include a closing slash. See the following table for some examples.
 
-
 | URL                                           | File path                                         |
 |-----------------------------------------------|---------------------------------------------------|
 | `/getting-started/kubernetes/`                | `/getting-started/kubernetes/index.md`            |
 | `/getting-started/kubernetes/troubleshooting` | `/getting-started/kubernetes/troubleshooting.md`  |
 
-
 ### `site.url`, `site.baseurl`, and `absolute_url`
 
 **`site.baseurl`**

app-policy/README.md

@@ -17,8 +17,7 @@ processed.  We compute policy based on a global store which is distributed to Di
 Application Layer Policy is described in the [Project Calico docs][docs].
 
  - [Enabling Application Layer Policy](https://docs.projectcalico.org/master/security/app-layer-policy)
-
-
+
  [calico]: https://projectcalico.org
  [istio]: https://istio.io
  [docs]: https://docs.projectcalico.org/latest

calico/DOC_STYLE_GUIDE.md

@@ -1,6 +1,5 @@
 # Calico documentation style guide
 
-
 ## Overview
 
 We follow [_The Chicago Manual of Style_, 17th Edition](http://chicagomanualofstyle.org/), the [_Yahoo! Style Guide_](https://www.amazon.com/Yahoo-Style-Guide-Ultimate-Sourcebook/dp/031256984X), and the [Merriam-Webster dictionary](https://www.merriam-webster.com/).
@@ -11,7 +10,6 @@ This style guide contains:
 - Clarification on frequent points of confusion
 - Terminology guidelines
 
-
 ## Voice
 
 The passive voice can obscure the actor and result in weak sentences.
@@ -21,7 +19,6 @@ topic, consult the following resources:
 - [Purdue Online Writing Lab](https://owl.english.purdue.edu/owl/resource/539/02/)
 - [Grammar Girl](http://www.quickanddirtytips.com/education/grammar/active-voice-versus-passive-voice)
 
-
 ## Pronouns
 
 Use the second person to refer to your reader.
@@ -34,7 +31,6 @@ Use the first person plural to refer to Project Calico.
 - **Correct**: "We recommend five nodes."
 - **Incorrect**: "Five nodes are recommended."
 
-
 ## Anthropomorphism
 
 Avoid personifying software.
@@ -47,12 +43,10 @@ Avoid personifying software.
 - "Kubernetes sees that Calico is installed."
 - "The delimiter tells Calico where to split the string."
 
-
 ## Future features
 
 Avoid documenting future features or products.
 
-
 ## Graphics
 
 ### Screenshots and animated GIFs
@@ -70,7 +64,6 @@ sequences, use GIF.
 
 For diagrams and other vector illustrations, we prefer the SVG format.
 
-
 ## Format of source
 
 ### HTML versus Markdown
@@ -81,7 +74,6 @@ We prefer Markdown for readability.
 
 Wrap lines at 80 characters—except [URLs](#line-breaks).
 
-
 ## Punctuation
 
 ### Commas
@@ -94,7 +86,6 @@ Use hyphens only when necessary to prevent confusion. Examples include:
 - A prefix ends in the same vowel that the word begins with: "re-entry".
 - Compound modifiers: "You can find Calico easter eggs in read-only memory."
 
-
 ## Capitalization
 
 ### Proper nouns
@@ -106,7 +97,6 @@ Only capitalize proper nouns.
 Use [sentence case](https://www.snappysentences.com/sentence-case-v-title-case/)
 for headings.
 
-
 ## Computer interfaces
 
 ### Code in headings
@@ -203,7 +193,6 @@ for detailed instructions.
 
 Do not insert line breaks inside a URL.
 
-
 ## Lists
 
 ### At least two items
@@ -295,7 +284,6 @@ Congratulations to the following winners of the Calico pop quiz:
 - Chris.
 ```
 
-
 ## Procedures
 
 Use numbered lists to indicate a series of steps that should be performed
@@ -304,7 +292,6 @@ in sequence.
 Avoid giving the reader more than one way to accomplish a task. Just
 describe the best method.
 
-
 ## Numbers and dates
 
 Spell out numbers zero through nine. Use numeric form for 10 and above.
@@ -314,7 +301,6 @@ Spell out dates.
 - **Incorrect**: Jan 1, 1970
 - **Incorrect**: 1/1/1970
 
-
 ## Acronyms and file types
 
 Treat file types as acronyms when used in text. Use all caps.
@@ -325,7 +311,6 @@ Examples:
 To pluralize an acronym, add a lowercase "s". Example: "Deploy the VMs in
 a single click."
 
-
 ## Notes
 
 While notes can help to call attention to important information, too
@@ -350,7 +335,6 @@ is reserved for the note that appears at the top of the page to let people
 know they are viewing a version of the documentation other than the
 current release.
 
-
 ## Storage, memory, and speed abbreviations
 
 Don't put a space between the number and the abbreviation. Examples: 500Kbps,
@@ -364,7 +348,6 @@ Don't add an "s" after the abbreviation to form a plural.
 Repeat the abbreviation in a series. Example: "The device offers 2MB, 4MB,
 or 6MB of storage."
 
-
 ## American conventions
 
 ### Spelling
@@ -380,7 +363,6 @@ Use a comma in whole numbers with four or more digits. Example: 1,200.
 
 Use decimal points. Example, 2.5 pounds.
 
-
 ## Terminology
 
 | Correct                  | Incorrect
@@ -408,7 +390,6 @@ Use decimal points. Example, 2.5 pounds.
 | web interface            | GUI, UI
 | web server               | webserver
 
-
 ## Commonly confused
 
 ### a | an
@@ -454,7 +435,6 @@ Use it as a mass noun, not a count noun.
 - **Correct**: "less data"
 - **Incorrect**: "fewer data"
 
-
 ### e.g. | i.e.
 
 The abbreviation "e.g." refers to "exempli gratia" in Latin and means "for the sake of example."
@@ -495,5 +475,3 @@ deleted the clause, use "which".
 - "Give me the book, which is on the table." There is only one book
   in the room and it happens to be on the table.
 
-
-

calico/_includes/content/config-calico-upgrade-etcd.md

@@ -41,7 +41,6 @@ The full list of possible configuration file options and environment variables f
 >   useful if the non-prefixed names clash with existing environment variables.
 {: .alert .alert-info}
 
-
 ### Configuring calico-upgrade to connect to the etcdv3 cluster
 
 You can use either configuration files or environment variables to configure

calico/_includes/content/deleting-etcd-v2-v3-data.md

@@ -43,7 +43,6 @@ This procedure requires etcdctl v3. The etcdctl tool is installed along with etc
 ### Prerequisites
 
 This procedure requires etcdctl v3. The etcdctl tool is installed along with etcd. To install just etcdctl, [download the etcd release binary](https://github.com/coreos/etcd/releases){:target="_blank"}, untar it, and extract the etcdctl binary.
-
 
 ### Deleting Calico data from etcdv3
 

calico/_includes/content/environment-file.md

@@ -35,7 +35,6 @@ For a Kubernetes datastore (default) set the following:
 {: .alert .alert-info}
 {% endif %}
 
-
 %>
   <label: etcd datastore>
   <%
@@ -68,7 +67,6 @@ For either datastore set the following:
 | NO_DEFAULT_POOLS | Set to true to prevent {{site.prodname}} from creating a default pool if one does not exist. Pools are used for workload endpoints and not required for non-cluster hosts. |
 | CALICO_NETWORKING_BACKEND | The networking backend to use. In `bird` mode, Calico will provide BGP networking using the BIRD BGP daemon; VXLAN networking can also be used. In `vxlan` mode, only VXLAN networking is provided; BIRD and BGP are disabled. If you want to run Calico for policy only, set to `none`. |
 
-
 Sample `EnvironmentFile` - save to `/etc/calico/calico.env`
 
 ```shell

calico/_includes/content/install-calico-upgrade.md

@@ -15,4 +15,3 @@
 
 1. Congratulations! You've installed `calico-upgrade`. Continue to [Configuring calico-upgrade](#configuring-calico-upgrade).
 
-

calico/_includes/content/testing-data-migration.md

@@ -34,5 +34,4 @@ calico-upgrade dry-run --output-dir=temp --apiconfigv1 etcdv2.yaml --apiconfigv3
 
    - **Other errors**: if you receive any other errors, especially if they pertain to a 
      workload endpoint, contact Tigera for assistance. 
-
 

calico/about/about-calico.md

@@ -151,6 +151,3 @@ custom_css: css/intro.css
   </div>
 </div>
 
-
-
-

calico/about/about-k8s-networking.md

@@ -134,5 +134,3 @@ as IPv4 or IPv6 addresses.
 - {% include open-new-window.html text='Video: Everything you need to know about Kubernetes networking on Google Cloud'
   url='https://www.projectcalico.org/everything-you-need-to-know-about-kubernetes-networking-on-google-cloud/' %}
 
-
-

calico/about/about-kubernetes-services.md

@@ -142,8 +142,3 @@ provides even load balancing independent of topology, with reduced CPU and laten
 - {% include open-new-window.html text='Blog: Hands on with Calico eBPF native service handling'
   url='https://www.projectcalico.org/hands-on-with-calicos-ebpf-service-handling/' %}
 
-
-
-
-
-

calico/about/about-network-policy.md

@@ -222,11 +222,3 @@ multiple teams.
 
 ![Example tiers]({{site.baseurl}}/images/example-tiers.svg)
 
-
-
-
-
-
-
-
-

calico/getting-started/kubernetes/flannel/migration-from-flannel.md

@@ -132,7 +132,6 @@ kubectl logs -n kube-system -l k8s-app=flannel-migration-controller
 
 If you need to revert a cluster from {{site.prodname}} back to flannel, follow these steps.
 
-
 1. Remove the migration controller and {{site.prodname}}.
 
    ```

calico/getting-started/kubernetes/hardway/istio-integration.md

@@ -56,7 +56,6 @@ Label the default namespace, which you will use for the tutorial.
 kubectl label namespace default istio-injection=enabled
 ```
 
-
 ## Test application layer policy
 
 You can test application layer policy by following the [Application Layer Policy tutorial](/security/tutorials/app-layer-policy/enforce-policy-istio).

calico/getting-started/kubernetes/hardway/the-calico-datastore.md

@@ -70,7 +70,6 @@ To interact directly with the {{site.prodname}} datastore, use the `calicoctl` c
 
    On most systems, kubeconfig is located at `~/.kube/config`. You may wish to add the `export` lines to your `~/.bashrc` so they will persist when you log in next time.
 
-
 ### Test
 
 Verify `calicoctl` can reach your datastore by running
@@ -103,7 +102,6 @@ You should see an empty result
 ```
 NAME   CIDR   SELECTOR
 
-
 ```
 
 ## Next

calico/getting-started/kubernetes/installation/config-options.md

@@ -254,7 +254,6 @@ The following table outlines the remaining supported `ConfigMap` options.
 
 ### CNI network configuration template
 
-
 The `cni_network_config` configuration option supports the following template fields, which will
 be filled in automatically by the `calico/cni` container:
 
@@ -269,7 +268,6 @@ be filled in automatically by the `calico/cni` container:
 | `__ETCD_CERT_FILE__`                  | The path to the etcd certificate file installed to the host, empty if no cert present.
 | `__ETCD_CA_CERT_FILE__`               | The path to the etcd certificate authority file installed to the host. Empty if no certificate authority is present.
 
-
 ### About customizing application layer policy manifests
 
 Instead of installing from our pre-modified Istio manifests, you may wish to

calico/getting-started/kubernetes/k3s/multi-node-install.md

@@ -134,8 +134,6 @@ Install {{site.prodname}} by creating the necessary custom resource. For more in
    %>
    {% endtabs %}
 
-
-
 #### Check the installation
 
 1. Confirm that all of the pods are running using the following command.

calico/getting-started/kubernetes/k3s/quickstart.md

@@ -157,10 +157,8 @@ kube-system   coredns-8655855d6-blzl5                    1/1     Running   0
 %>
 {% endtabs %}
 
-
 1. Press CTRL+C to exit `watch`.
 
-
 2. Confirm that you now have a node in your cluster with the
 following command.
 

calico/getting-started/kubernetes/managed-public-cloud/aks.md

@@ -29,7 +29,6 @@ To enable {{site.prodname}} network policy enforcement, follow these step-by-ste
 - [eBPF dataplane]({{ site.baseurl }}/maintenance/ebpf/use-cases-ebpf) is not supported.
 - [VPP dataplane](https://github.com/projectcalico/vpp-dataplane) is not supported.
 
-
 The geeky details of what you get:
 {% include geek-details.html details='Policy:Calico,IPAM:Calico,CNI:Calico,Overlay:VXLAN,Routing:Calico,Datastore:Kubernetes' %}
 
@@ -87,7 +86,6 @@ The geeky details of what you get:
    ```
 
    Wait until each pod has the `STATUS` of `Running`.
- 
 
 ### Next steps
 

calico/getting-started/kubernetes/minikube.md

@@ -129,7 +129,6 @@ Issuing a delete command will destroy the cluster that you created in this tutor
 minikube delete
 ```
 
-
 ### Next steps
 
 **Required**

calico/getting-started/kubernetes/rancher.md

@@ -36,7 +36,6 @@ The geeky details of what you get:
 
 #### Install {{site.prodname}}
 
-
 1. Install the Tigera {{site.prodname}} operator and custom resource definitions.
 
    ```

calico/getting-started/kubernetes/self-managed-public-cloud/do.md

@@ -93,7 +93,6 @@ you generate a {% include open-new-window.html text='gossip' url='https://kops.s
 
 You can further customize the {{site.prodname}} install with {% include open-new-window.html text='options listed in the kops documentation' url='https://kops.sigs.k8s.io/networking/calico' %}. 
 
-
 ### Cleanup
 
 If you wish to remove resources created by this tutorial