Fix typos and pseudo-typos 13

[Josh-Cena]

I am fixing a lot of nits in content. The goal is to make our custom dictionaries as small as possible by eliminating things that could be better recognized as words. This not only helps with automation but helps with human readers too, especially those who may be slow to recognize words.

• About half of them are code not properly capitalized.
• There are some real typos.
• Occasionally I have to refactor the wording a bit.
• Where we are demonstrating real typos, I use inline cSpell:ignore to prevent it being ignored in other files.

[github-actions]

Preview URLs (45 pages)

• /en-US/docs/Web/API/UI_Events/Keyboard_event_key_values
• /en-US/docs/Web/API/URL_API
• /en-US/docs/Web/API/USBDevice/deviceClass
• /en-US/docs/Web/API/VRFrameData/timestamp
• /en-US/docs/Web/API/VisualViewport
• /en-US/docs/Web/API/WebGL2RenderingContext/drawBuffers
• /en-US/docs/Web/API/WebGL_API/Basic_2D_animation_example
• /en-US/docs/Web/API/WebGL_API/By_example/Color_masking
• /en-US/docs/Web/API/WebGL_API/By_example/Textures_from_code
• /en-US/docs/Web/API/WebGL_API/Tutorial/Adding_2D_content_to_a_WebGL_context
• /en-US/docs/Web/API/WebGL_API/Tutorial/Getting_started_with_WebGL
• /en-US/docs/Web/API/WebRTC_API/Build_a_phone_with_peerjs/Connect_peers/Show_hide_html
• /en-US/docs/Web/API/WebRTC_API/Perfect_negotiation
• /en-US/docs/Web/API/WebRTC_API/Signaling_and_video_calling
• /en-US/docs/Web/API/WebRTC_API/Simple_RTCDataChannel_sample
• /en-US/docs/Web/API/WebRTC_API/Using_Encoded_Transforms
• /en-US/docs/Web/API/WebRTC_API
• /en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_client_applications
• /en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_server
• /en-US/docs/Web/API/WebTransportError/WebTransportError
• /en-US/docs/Web/API/WebTransportError/source
• /en-US/docs/Web/API/WebTransportError/streamErrorCode
• /en-US/docs/Web/API/WebTransportError
• /en-US/docs/Web/API/WebVR_API/Using_the_WebVR_API
• /en-US/docs/Web/API/WebVR_API
• /en-US/docs/Web/API/WebVTT_API/Web_Video_Text_Tracks_Format
• /en-US/docs/Web/API/WebVTT_API
• /en-US/docs/Web/API/WebXR_Device_API/Movement_and_motion
• /en-US/docs/Web/API/WebXR_Device_API/Rendering
• /en-US/docs/Web/API/WebXR_Device_API/Startup_and_shutdown
• /en-US/docs/Web/API/Web_Audio_API/Using_IIR_filters
• /en-US/docs/Web/API/Web_Audio_API/Web_audio_spatialization_basics
• /en-US/docs/Web/API/Web_Audio_API
• /en-US/docs/Web/API/Web_Authentication_API/Attestation_and_Assertion
• /en-US/docs/Web/API/Web_components/Using_custom_elements
• /en-US/docs/Web/API/Window/close
• /en-US/docs/Web/API/Window/fetch
• /en-US/docs/Web/API/WorkerNavigator/hardwareConcurrency
• /en-US/docs/Web/API/XMLHttpRequest_API/Sending_and_Receiving_Binary_Data
• /en-US/docs/Web/API/XMLHttpRequest_API/Using_FormData_Objects
• /en-US/docs/Web/API/XMLHttpRequest_API/Using_XMLHttpRequest
• /en-US/docs/Web/API/XRSessionEvent
• /en-US/docs/Web/API/XRWebGLLayer/framebuffer
• /en-US/docs/Web/API/XRWebGLLayer
• /en-US/docs/Web/API/XSLTProcessor

Flaws (5)

Note! 42 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/WebRTC_API
Title: WebRTC API
Flaw count: 3

• macros:
  • /en-US/docs/Web/API/RTCDtlsTransport/statechange_event does not exist
  • /en-US/docs/Web/API/RTCIdentityProvider does not exist
  • /en-US/docs/Web/API/RTCIdentityProviderRegistrar does not exist

---

URL: /en-US/docs/Web/API/WebRTC_API/Signaling_and_video_calling
Title: Signaling and video calling
Flaw count: 1

• macros:
  • /en-US/docs/Web/API/RTCPeerConnection/removetrack_event does not exist

---

URL: /en-US/docs/Web/API/URL_API
Title: URL API
Flaw count: 1

• macros:
  • /en-US/docs/Web/CSS/url redirects to /en-US/docs/Web/CSS/url_value