diff --git a/aio/content/guide/animations.md b/aio/content/guide/animations.md
index 4eff1dc4829..4f48dae2cef 100644
--- a/aio/content/guide/animations.md
+++ b/aio/content/guide/animations.md
@@ -66,7 +66,7 @@ The examples in this page are available as a .
## Quickstart example: Transitioning between two states
-
+
@@ -172,7 +172,7 @@ controls the timing of switching between one set of styles and the next:
-
+
@@ -220,7 +220,7 @@ transitions that apply regardless of which state the animation is in. For exampl
-
+
@@ -237,7 +237,7 @@ regardless of what state it was in before it left.
-
+
@@ -247,7 +247,7 @@ The wildcard state `*` also matches `void`.
## Example: Entering and leaving
-
+
@@ -294,7 +294,7 @@ These two common animations have their own aliases:
## Example: Entering and leaving from different states
-
+
@@ -313,7 +313,7 @@ This gives you fine-grained control over each transition:
-
+
@@ -346,7 +346,7 @@ If you don't provide a unit when specifying dimension, Angular assumes the defau
## Automatic property calculation
-
+
@@ -405,7 +405,7 @@ and the delay (or as the *second* value when there is no delay):
-
+
@@ -427,7 +427,7 @@ slight delay of 10 milliseconds as specified in `'0.2s 10 ease-out'`:
## Multi-step animations with keyframes
-
+
@@ -461,7 +461,7 @@ offsets receive offsets `0`, `0.5`, and `1`.
## Parallel animation groups
-
+
diff --git a/aio/content/guide/aot-compiler.md b/aio/content/guide/aot-compiler.md
index e808b645b95..3299f207d31 100644
--- a/aio/content/guide/aot-compiler.md
+++ b/aio/content/guide/aot-compiler.md
@@ -601,8 +601,8 @@ The `source-map-explorer` analyzes the source map generated with the bundle and
showing exactly which application and Angular modules and classes are included in the bundle.
Here's the map for _Tour of Heroes_.
-
+
-
+
diff --git a/aio/content/guide/architecture.md b/aio/content/guide/architecture.md
index 3207c57a15a..d840bd34ce7 100644
--- a/aio/content/guide/architecture.md
+++ b/aio/content/guide/architecture.md
@@ -27,7 +27,7 @@ You'll learn the details in the pages that follow. For now, focus on the big pic
-
+
@@ -64,7 +64,7 @@ Learn these building blocks, and you're on your way.
## Modules
-
+
@@ -182,7 +182,7 @@ These are two different and _complementary_ module systems. Use them both to wri
-
+
@@ -244,7 +244,7 @@ Learn more from the [Angular modules](guide/ngmodule) page.
-
+
@@ -284,7 +284,7 @@ Your app can take action at each moment in this lifecycle through optional [life
## Templates
-
+
@@ -314,7 +314,7 @@ The `HeroDetailComponent` is a **child** of the `HeroListComponent`.
-
+
@@ -330,7 +330,7 @@ Notice how `` rests comfortably among native HTML elements. Custom
## Metadata
-
+
@@ -379,7 +379,7 @@ so it can get the list of heroes to display.
-
+
@@ -406,7 +406,7 @@ into actions and value updates. Writing such push/pull logic by hand is tedious,
read as any experienced jQuery programmer can attest.
-
+
@@ -454,7 +454,7 @@ from the root of the application component tree through all child components.
-
+
@@ -463,7 +463,7 @@ Data binding plays an important role in communication
between a template and its component.
-
+
@@ -478,7 +478,7 @@ Data binding is also important for communication between parent and child compon
## Directives
-
+
@@ -556,7 +556,7 @@ Of course, you can also write your own directives. Components such as
## Services
-
+
@@ -624,7 +624,7 @@ application logic into services and make those services available to components
## Dependency injection
-
+
@@ -656,7 +656,7 @@ This is *dependency injection*.
The process of `HeroService` injection looks a bit like this:
-
+
diff --git a/aio/content/guide/attribute-directives.md b/aio/content/guide/attribute-directives.md
index d5a2c00bf69..57fc788f14d 100644
--- a/aio/content/guide/attribute-directives.md
+++ b/aio/content/guide/attribute-directives.md
@@ -168,7 +168,7 @@ Now when the app runs, the `myHighlight` directive highlights the paragraph text
-
+
@@ -280,7 +280,7 @@ the mouse hovers over the `p` and disappears as it moves out.
-
+
@@ -438,7 +438,7 @@ Here are the harness and directive in action.
-
+
@@ -491,7 +491,7 @@ Here's how the harness should work when you're done coding.
-
+
diff --git a/aio/content/guide/cli-quickstart.md b/aio/content/guide/cli-quickstart.md
index 0b26fac9e7d..f593e348928 100644
--- a/aio/content/guide/cli-quickstart.md
+++ b/aio/content/guide/cli-quickstart.md
@@ -123,7 +123,7 @@ Your app greets you with a message:
-
+
@@ -161,7 +161,7 @@ Open `src/app/app.component.css` and give the component some style.
-
+
diff --git a/aio/content/guide/component-communication.md b/aio/content/guide/component-communication.md
index 9de8ac338d7..68a6d708473 100644
--- a/aio/content/guide/component-communication.md
+++ b/aio/content/guide/component-communication.md
@@ -54,7 +54,7 @@ The running application displays three heroes:
-
+
@@ -98,7 +98,7 @@ Here's the `NameParentComponent` demonstrating name variations including a name
-
+
@@ -156,7 +156,7 @@ Here's the output of a button-pushing sequence:
-
+
@@ -210,7 +210,7 @@ and the method processes it:
-
+
@@ -272,7 +272,7 @@ Here we see the parent and child working together.
-
+
@@ -424,7 +424,7 @@ facilitated by the service:
-
+
diff --git a/aio/content/guide/dependency-injection-in-action.md b/aio/content/guide/dependency-injection-in-action.md
index dfe12a27ad3..f5c36083900 100644
--- a/aio/content/guide/dependency-injection-in-action.md
+++ b/aio/content/guide/dependency-injection-in-action.md
@@ -171,7 +171,7 @@ Once all the dependencies are in place, the `AppComponent` displays the user inf
-
+
@@ -337,7 +337,7 @@ Find this example in live co
and confirm that the three `HeroBioComponent` instances have their own cached hero data.
-
+
@@ -403,7 +403,7 @@ placing it in the `` slot of the `HeroBioComponent` template:
It looks like this, with the hero's telephone number from `HeroContactComponent` projected above the hero description:
-
+
@@ -440,7 +440,7 @@ Thanks to `@Optional()`, Angular sets the `loggerService` to null and the rest o
Here's the `HeroBiosAndContactsComponent` in action.
-
+
@@ -450,7 +450,7 @@ until it finds the logger at the `AppComponent` level. The logger logic kicks in
with the gratuitous "!!!", indicating that the logger was found.
-
+
@@ -495,7 +495,7 @@ first without a value (yielding the default color) and then with an assigned col
The following image shows the effect of mousing over the `` tag.
-
+
{@a providers}
@@ -573,7 +573,7 @@ The `HeroOfTheMonthComponent` example demonstrates many of the alternatives and
It's visually simple: a few properties and the logs produced by a logger.
-
+
@@ -728,7 +728,7 @@ Now put it to use in a simplified version of the `HeroOfTheMonthComponent`.
The `HeroOfTheMonthComponent` constructor's `logger` parameter is typed as `MinimalLogger` so only the `logs` and `logInfo` members are visible in a TypeScript-aware editor:
-
+
@@ -743,7 +743,7 @@ Behind the scenes, Angular actually sets the `logger` parameter to the full serv
The following image, which displays the logging date, confirms the point:
-
+
@@ -941,7 +941,7 @@ to display a *sorted* list of heroes.
-
+
@@ -1154,7 +1154,7 @@ the same way you've done it before:
Here's *Alex* and family in action:
-
+
@@ -1215,7 +1215,7 @@ Here's *Alice*, *Barry* and family in action:
-
+
diff --git a/aio/content/guide/displaying-data.md b/aio/content/guide/displaying-data.md
index e40e7010ea7..2f48103595e 100644
--- a/aio/content/guide/displaying-data.md
+++ b/aio/content/guide/displaying-data.md
@@ -18,7 +18,7 @@ The final UI looks like this:
-
+
@@ -126,7 +126,7 @@ inside the `` tag.
Now run the app. It should display the title and hero name:
-
+
@@ -233,7 +233,7 @@ Now the heroes appear in an unordered list.
-
+
diff --git a/aio/content/guide/dynamic-component-loader.md b/aio/content/guide/dynamic-component-loader.md
index 33394f68a93..d150eba4945 100644
--- a/aio/content/guide/dynamic-component-loader.md
+++ b/aio/content/guide/dynamic-component-loader.md
@@ -214,7 +214,7 @@ Here are two sample components and the `AdComponent` interface for reference:
The final ad banner looks like this:
-
+
diff --git a/aio/content/guide/dynamic-form.md b/aio/content/guide/dynamic-form.md
index 1e77491d592..39208799f54 100644
--- a/aio/content/guide/dynamic-form.md
+++ b/aio/content/guide/dynamic-form.md
@@ -217,7 +217,7 @@ Saving and retrieving the data is an exercise for another time.
The final form looks like this:
-
+
diff --git a/aio/content/guide/forms.md b/aio/content/guide/forms.md
index ab2a702ac4d..cacde156a33 100644
--- a/aio/content/guide/forms.md
+++ b/aio/content/guide/forms.md
@@ -60,7 +60,7 @@ You'll learn to build a template-driven form that looks like this:
-
+
@@ -74,7 +74,7 @@ If you delete the hero name, the form displays a validation error in an attentio
-
+
@@ -372,7 +372,7 @@ Running the app right now would be disappointing.
-
+
@@ -456,7 +456,7 @@ At some point it might look like this:
-
+
@@ -529,7 +529,7 @@ If you run the app now and change every hero model property, the form might disp
-
+
@@ -642,7 +642,7 @@ The actions and effects are as follows:
-
+
@@ -651,7 +651,7 @@ You should see the following transitions and class names:
-
+
@@ -671,7 +671,7 @@ on the left of the input box:
-
+
@@ -705,7 +705,7 @@ When the user deletes the name, the form should look like this:
-
+
diff --git a/aio/content/guide/hierarchical-dependency-injection.md b/aio/content/guide/hierarchical-dependency-injection.md
index bff7ab40c22..5bb1ee8998a 100644
--- a/aio/content/guide/hierarchical-dependency-injection.md
+++ b/aio/content/guide/hierarchical-dependency-injection.md
@@ -55,7 +55,7 @@ open simultaneously.
-
+
@@ -149,7 +149,7 @@ Each tax return component has the following characteristics:
-
+
@@ -234,7 +234,7 @@ Component (B) is the parent of another component (C) that defines its own, even
-
+
@@ -247,7 +247,7 @@ its injector produces an instance of `Car` resolved by injector (C) with an `Eng
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+
diff --git a/aio/content/guide/http.md b/aio/content/guide/http.md
index 90739435907..49247f9eb73 100644
--- a/aio/content/guide/http.md
+++ b/aio/content/guide/http.md
@@ -178,7 +178,7 @@ The app uses the Angular Http client to communicate via **XMLHttpRe
It works like this:
-
+
@@ -746,7 +746,7 @@ types in a text box:
-
+
@@ -865,7 +865,7 @@ It should only make requests when the user *stops typing*.
Here's how it will work after refactoring:
-
+
diff --git a/aio/content/guide/learning-angular.md b/aio/content/guide/learning-angular.md
index 8b2a759be4b..8dd2a962303 100644
--- a/aio/content/guide/learning-angular.md
+++ b/aio/content/guide/learning-angular.md
@@ -9,7 +9,7 @@ A suggested path through the documentation for Angular newcomers.
-
+
diff --git a/aio/content/guide/lifecycle-hooks.md b/aio/content/guide/lifecycle-hooks.md
index ed49cb6faa1..5f02382852b 100644
--- a/aio/content/guide/lifecycle-hooks.md
+++ b/aio/content/guide/lifecycle-hooks.md
@@ -9,7 +9,7 @@ Angular calls lifecycle hook methods on directives and components as it creates,
-
+
@@ -465,7 +465,7 @@ The peek-a-boo exists to show how Angular calls the hooks in the expected order.
This snapshot reflects the state of the log after the user clicked the *Create...* button and then the *Destroy...* button.
-
+
@@ -549,7 +549,7 @@ with an entry in the *Hook Log* as seen here:
-
+
@@ -672,7 +672,7 @@ Here's the sample in action as the user makes changes.
-
+
@@ -718,7 +718,7 @@ so you can see how often `DoCheck` is called. The results are illuminating:
-
+
@@ -795,7 +795,7 @@ for one turn of the browser's JavaScript cycle and that's just long enough.
Here's *AfterView* in action:
-
+
@@ -859,7 +859,7 @@ It tells Angular where to insert that content.
In this case, the projected content is the `` from the parent.
-
+
diff --git a/aio/content/guide/pipes.md b/aio/content/guide/pipes.md
index 9c0dcb12c6f..a8b85fe0f81 100644
--- a/aio/content/guide/pipes.md
+++ b/aio/content/guide/pipes.md
@@ -145,7 +145,7 @@ As you click the button, the displayed date alternates between
-
+
@@ -237,7 +237,7 @@ Now you need a component to demonstrate the pipe.
-
+
@@ -285,7 +285,7 @@ your pipe and two-way data binding with `ngModel`.
-
+
@@ -372,7 +372,7 @@ code with checkbox switches and additional displays to help you experience these
-
+
@@ -559,7 +559,7 @@ The component renders as the following:
-
+
diff --git a/aio/content/guide/reactive-forms.md b/aio/content/guide/reactive-forms.md
index 3da2ba3e1e7..d0e2bd16595 100644
--- a/aio/content/guide/reactive-forms.md
+++ b/aio/content/guide/reactive-forms.md
@@ -353,7 +353,7 @@ Now that everything is wired up, the browser should display something like this:
-
+
@@ -457,7 +457,7 @@ Piping it through the `JsonPipe` renders the model as JSON in the browser:
-
+
@@ -567,7 +567,7 @@ The browser displays the following:
-
+
@@ -696,7 +696,7 @@ with the nested address `FormGroup`:
-
+
@@ -1052,7 +1052,7 @@ Together they look a bit like this:
-
+
@@ -1265,7 +1265,7 @@ Back in the browser, select the hero named "Magneta".
-
+
@@ -1343,7 +1343,7 @@ After you implement both features in this section, the form will look like this:
-
+
diff --git a/aio/content/guide/router.md b/aio/content/guide/router.md
index 59e8d8e3f02..3df9936e07e 100644
--- a/aio/content/guide/router.md
+++ b/aio/content/guide/router.md
@@ -533,7 +533,7 @@ and the *Heroes* view with its list of heroes.
-
+
@@ -541,7 +541,7 @@ and the *Heroes* view with its list of heroes.
Select one hero and the app takes you to a hero editing screen.
-
+
@@ -558,7 +558,7 @@ Now click the *Crisis Center* link for a list of ongoing crises.
-
+
@@ -571,7 +571,7 @@ Notice that the corresponding name in the crisis list does _not_ change.
-
+
@@ -587,7 +587,7 @@ Up pops a dialog box.
-
+
@@ -609,7 +609,7 @@ Proceed to the first application milestone.
Begin with a simple version of the app that navigates between two empty views.
-
+
@@ -765,7 +765,7 @@ and a *router outlet* where the router swaps views on and off the page. Here's w
-
+
@@ -1250,7 +1250,7 @@ Here's how the user will experience this version of the app:
-
+
@@ -1880,7 +1880,7 @@ it would be nice if the viewed hero was preselected in the list.
-
+
@@ -2098,7 +2098,7 @@ Look for it within the repeated `
` tag as shown here:
When the user navigates from the heroes list to the "Magneta" hero and back, "Magneta" appears selected:
-
+
@@ -2396,7 +2396,7 @@ If your app had many feature areas, the app component trees might look like this
-
+
@@ -2695,7 +2695,7 @@ and two buttons, "Send" and "Cancel".
-
+
diff --git a/aio/content/guide/security.md b/aio/content/guide/security.md
index 83aeeb65dd3..82c06012c79 100644
--- a/aio/content/guide/security.md
+++ b/aio/content/guide/security.md
@@ -143,7 +143,7 @@ tag but keeps safe content such as the text content of the `