tabs to spaces

Docs/data_structure.txt

@@ -1,18 +1,18 @@
 EXTENSION, MODULES
 .-----------------------------------------------------------------------.
-| Django module				| Jetpack system							|
+| Django module             | Jetpack system                            |
 .---------------------------x-------------------------------------------.
-| name						| pkg.fullName								|
-| slug						| pkg.name, filename.xpi					|
-| creator					| pkg.author								|
-| description				| pkg.descritption, README.md				|
-| version.content			| main.js									|
-| version.manifest			| package.json								|
-| version.description		| ---										|
-| version.name+.counter		| version									|
-| capabilities[i].slug		| lib/filename.js, pkg.dependencies[i]		|
-| capabilities[i].content	| content of filename.js					|
-| capabilities[i].author	| pkg.contributors[j]						|
+| name                      | pkg.fullName                              |
+| slug                      | pkg.name, filename.xpi                    |
+| creator                   | pkg.author                                |
+| description               | pkg.descritption, README.md               |
+| version.content           | main.js                                   |
+| version.manifest          | package.json                              |
+| version.description       | ---                                       |
+| version.name+.counter     | version                                   |
+| capabilities[i].slug      | lib/filename.js, pkg.dependencies[i]      |
+| capabilities[i].content   | content of filename.js                    |
+| capabilities[i].author    | pkg.contributors[j]                       |
 `-----------------------------------------------------------------------'
 
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