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app/bower_components/bootstrap-sass-official/README.md
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# Bootstrap for Sass [](http://travis-ci.org/twbs/bootstrap-sass)
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`bootstrap-sass` is a Sass-powered version of [Bootstrap](http://github.com/twbs/bootstrap), ready to drop right into your Sass powered applications.
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## Installation
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Please see the appropriate guide for your environment of choice:
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### a. Ruby on Rails
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`bootstrap-sass` is easy to drop into Rails with the asset pipeline.
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In your Gemfile you need to add the `bootstrap-sass` gem, and ensure that the `sass-rails` gem is present - it is added to new Rails applications by default.
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```ruby
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gem 'sass-rails', '>= 3.2'
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gem 'bootstrap-sass', '~> 3.1.1'
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```
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`bundle install` and restart your server to make the files available through the pipeline.
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#### Rails 3.2.x
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Rails 3.2 is [no longer maintained for bugfixes](http://guides.rubyonrails.org/maintenance_policy.html), and you should upgrade as soon as possible.
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If you must use it, make sure bootstrap-sass is moved out of the `:assets` group.
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This is because, by default in Rails 3.2, assets group gems are not required in `production`.
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However, for pre-compilation to succeed in production, `bootstrap-sass` gem must be required.
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Starting with bootstrap-sass v3.1.1.1, due to the structural changes from upstream you will need these
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backported asset pipeline gems on Rails 3.2. There is more on why this is necessary in
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https://github.com/twbs/bootstrap-sass/issues/523 and https://github.com/twbs/bootstrap-sass/issues/578.
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```ruby
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gem 'sprockets-rails', '=2.0.0.backport1'
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gem 'sprockets', '=2.2.2.backport2'
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gem 'sass-rails', github: 'guilleiguaran/sass-rails', branch: 'backport'
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```
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### b. Compass without Rails
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Install the gem
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```sh
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gem install bootstrap-sass
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```
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If you have an existing Compass project:
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```ruby
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# config.rb:
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require 'bootstrap-sass'
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```
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```console
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bundle exec compass install bootstrap
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```
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If you are creating a new Compass project, you can generate it with bootstrap-sass support:
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```console
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bundle exec compass create my-new-project -r bootstrap-sass --using bootstrap
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```
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or, alternatively, if you're not using a Gemfile for your dependencies:
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```console
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compass create my-new-project -r bootstrap-sass --using bootstrap
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```
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This will create a new Compass project with the following files in it:
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* [_variables.scss](/templates/project/_variables.sass.erb) - all of bootstrap variables (override them here).
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* [styles.scss](/templates/project/styles.sass) - main project SCSS file, import `variables` and `bootstrap`.
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Some bootstrap-sass mixins may conflict with the Compass ones.
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If this happens, change the import order so that Compass mixins are loaded later.
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### c. Ruby without Compass / Rails
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Require the gem, and load paths and Sass helpers will be configured automatically:
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```ruby
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require 'bootstrap-sass'
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```
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### d. Node.js / Bower
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Using bootstrap-sass as a Bower package is still being tested. It is compatible with node-sass 0.8.3+. You can install it with:
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```bash
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bower install bootstrap-sass-official
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```
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`bootstrap-sass` is taken so make sure you use the command above.
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Sass, JS, and all other assets are located at [vendor/assets](/vendor/assets).
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By default, `bower.json` main field list only the main `bootstrap.scss` and all the static assets (fonts and JS).
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This is compatible by default with asset managers such as [wiredep](https://github.com/taptapship/wiredep).
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#### Mincer
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If you use [mincer][mincer] with node-sass, import bootstrap into a `.css.ejs.scss` file like so:
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```scss
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// Import mincer asset paths helper integration
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@import "bootstrap-mincer";
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@import "bootstrap";
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```
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See also this [example manifest.js](/test/dummy_node_mincer/manifest.js) for mincer.
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#### Number precision
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bootstrap-sass [requires](https://github.com/twbs/bootstrap-sass/issues/409) minimum [Sass number precision][sass-precision] of 10 (default is 5).
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When using ruby Sass compiler with the bower version you can enforce the limit with:
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```ruby
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::Sass::Script::Number.precision = [10, ::Sass::Script::Number.precision].max
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```
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Precision option is now available in libsass, but it has not made into node-sass yet.
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#### JS and fonts
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Assets are discovered automatically on Rails, Sprockets, Compass, and Node + Mincer, using native asset path helpers.
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Otherwise the fonts are referenced as:
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```sass
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"#{$icon-font-path}#{$icon-font-name}.eot"
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```
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`$icon-font-path` defaults to `bootstrap/`.
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When not using an asset pipeline, you can copy fonts and JS from bootstrap-sass, they are located at [vendor/assets](/vendor/assets):
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```bash
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mkdir public/fonts
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cp -r $(bundle show bootstrap-sass)/vendor/assets/fonts/ public/fonts/
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mkdir public/javascripts
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cp -r $(bundle show bootstrap-sass)/vendor/assets/javascripts/ public/javascripts/
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```
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## Usage
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### Sass
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Import Bootstrap into a Sass file (for example, `application.css.scss`) to get all of Bootstrap's styles, mixins and variables!
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We recommend against using `//= require` directives, since none of your other stylesheets will be [able to access][antirequire] the Bootstrap mixins or variables.
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```scss
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@import "bootstrap";
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```
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You can also include optional bootstrap theme:
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```scss
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@import "bootstrap/theme";
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```
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The full list of bootstrap variables can be found [here](http://getbootstrap.com/customize/#less-variables). You can override these by simply redefining the variable before the `@import` directive, e.g.:
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```scss
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$navbar-default-bg: #312312;
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$light-orange: #ff8c00;
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$navbar-default-color: $light-orange;
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@import "bootstrap";
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```
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You can also import components explicitly. To start with a full list of modules copy this file from the gem:
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```bash
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cp $(bundle show bootstrap-sass)/vendor/assets/stylesheets/bootstrap.scss \
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app/assets/stylesheets/bootstrap-custom.scss
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```
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Comment out components you do not want from `bootstrap-custom`.
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In `application.sass`, replace `@import 'bootstrap'` with:
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```scss
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@import 'bootstrap-custom';
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```
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### Javascript
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We have a helper that includes all Bootstrap javascripts. If you use Rails (or Sprockets separately),
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put this in your Javascript manifest (usually in `application.js`) to load the files in the [correct order](/vendor/assets/javascripts/bootstrap.js):
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```js
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// Loads all Bootstrap javascripts
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//= require bootstrap
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```
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You can also load individual modules, provided you also require any dependencies. You can check dependencies in the [Bootstrap JS documentation][jsdocs].
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```js
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//= require bootstrap/scrollspy
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//= require bootstrap/modal
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//= require bootstrap/dropdown
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```
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---
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## Development and Contributing
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If you'd like to help with the development of bootstrap-sass itself, read this section.
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### Upstream Converter
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Keeping bootstrap-sass in sync with upstream changes from Bootstrap used to be an error prone and time consuming manual process. With Bootstrap 3 we have introduced a converter that automates this.
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**Note: if you're just looking to *use* Bootstrap 3, see the [installation](#installation) section above.**
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Upstream changes to the Bootstrap project can now be pulled in using the `convert` rake task.
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Here's an example run that would pull down the master branch from the main [twbs/bootstrap](https://github.com/twbs/bootstrap) repo:
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rake convert
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This will convert the latest LESS to Sass and update to the latest JS.
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To convert a specific branch or version, pass the branch name or the commit hash as the first task argument:
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rake convert[e8a1df5f060bf7e6631554648e0abde150aedbe4]
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The latest converter script is located [here][converter] and does the following:
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* Converts upstream bootstrap LESS files to its matching SCSS file.
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* Copies all upstream JavaScript into `vendor/assets/javascripts/bootstrap`
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* Generates a javascript manifest at `vendor/assets/javascripts/bootstrap.js`
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* Copies all upstream font files into `vendor/assets/fonts/bootstrap`
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* Sets `Bootstrap::BOOTSTRAP_SHA` in [version.rb][version] to the branch sha.
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This converter fully converts original LESS to SCSS. Conversion is automatic but requires instructions for certain transformations (see converter output).
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Please submit GitHub issues tagged with `conversion`.
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## Credits
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bootstrap-sass has a number of major contributors:
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<!-- feel free to make these link wherever you wish -->
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* [Thomas McDonald](https://twitter.com/thomasmcdonald_)
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* [Tristan Harward](http://www.trisweb.com)
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* Peter Gumeson
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* [Gleb Mazovetskiy](https://github.com/glebm)
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and a [significant number of other contributors][contrib].
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## You're in good company
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bootstrap-sass is used to build some awesome projects all over the web, including
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[Diaspora](http://diasporaproject.org/), [rails_admin](https://github.com/sferik/rails_admin),
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Michael Hartl's [Rails Tutorial](http://railstutorial.org/), [gitlabhq](http://gitlabhq.com/) and
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[kandan](http://kandanapp.com/).
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[converter]: https://github.com/twbs/bootstrap-sass/blob/master/tasks/converter/less_conversion.rb
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[version]: https://github.com/twbs/bootstrap-sass/blob/master/lib/bootstrap-sass/version.rb
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[contrib]: https://github.com/twbs/bootstrap-sass/graphs/contributors
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[antirequire]: https://github.com/twbs/bootstrap-sass/issues/79#issuecomment-4428595
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[jsdocs]: http://getbootstrap.com/javascript/#transitions
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[sass-precision]: http://sass-lang.com/documentation/Sass/Script/Number.html#precision-class_method
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[mincer]: https://github.com/nodeca/mincer
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