Remove three more occurrences of double spaces

posts/background-image.md

@@ -4,4 +4,4 @@ tags: gtie8
 kind: css
 polyfillurls:
 
-New css3 background-image options includes background-clip, background-origin and background-size.  They are each supported in modern browsers and can be used today.
+New css3 background-image options includes background-clip, background-origin and background-size. They are each supported in modern browsers and can be used today.

posts/font-feature-settings.md

@@ -5,4 +5,4 @@ kind: css
 polyfillurls:
 moreurl: http://blog.fontdeck.com/post/15777165734/opentype-1?503cde40
 
-Internet Explorer 10, Firefox 4+ and Chrome 16 (Windows only)  support low level control over font feature settings. What this means is other browsers merely will not render the flourishes you seek. Many features available through the property may be extracted to separate properties in the future, such as font-variant-ligatures. 
+Internet Explorer 10, Firefox 4+ and Chrome 16 (Windows and Linux only) support low level control over font feature settings. What this means is other browsers merely will not render the flourishes you seek. Many features available through the property may be extracted to separate properties in the future, such as font-variant-ligatures. 

posts/localstorage.md

@@ -4,6 +4,6 @@ tags: gtie7 polyfill
 kind: api
 polyfillurls:[Remy's storage polyfill](https://gist.github.com/350433), [sessionstorage](http://code.google.com/p/sessionstorage/)
 
-Local and session storage are a great way to store data without resorting to cookies.  IE8 supported `localStorage` and `sessionStorage` so you may not need a polyfill. If you do, Remy's is a piece of cake to implement and use.
+Local and session storage are a great way to store data without resorting to cookies. IE8 supported `localStorage` and `sessionStorage` so you may not need a polyfill. If you do, Remy's is a piece of cake to implement and use.
 
 This is a simple key/value store, so if you want to store complex data use `JSON.parse(str)` and `JSON.stringify(obj)` on your way in and out. There is also no way to know if you exceeded the storage cross-browser, so wrap your store commands in try/catch. Up to 5MB is safe to use.

posts/selectors.md

@@ -41,4 +41,4 @@ Resources:
 	  if (elem.innerText.trim() == 'Yes') elem.style.backgroundColor = 'green';
 	});
 
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