Merge remote-tracking branch 'origin/master' into v3.4.0-dev

.travis.yml

@@ -18,6 +18,10 @@ install:
   - bundle install --deployment --jobs=1
   - cp grunt/npm-shrinkwrap.json ./
   - npm install
+# Undo `_JAVA_OPTIONS` environment variable;
+# see https://github.com/travis-ci/travis-ci/issues/8408
+before_script:
+  - _JAVA_OPTIONS=
 cache:
   directories:
     - node_modules

CONTRIBUTING.md

@@ -157,13 +157,12 @@ project (indentation, accurate comments, etc.) and any other requirements
 
 **Do not edit `bootstrap.css`, `bootstrap-theme.css`, or `bootstrap.js`
 directly!** Those files are automatically generated. You should edit the
-source files in [`/bootstrap/less/`](https://github.com/twbs/bootstrap/tree/master/less),
-[`/bootstrap/scss/`](https://github.com/twbs/bootstrap/tree/v4-dev/scss) (for Bootstrap v4),
-and/or [`/bootstrap/js/`](https://github.com/twbs/bootstrap/tree/master/js) instead.
+source files in [`/bootstrap/scss/`](https://github.com/twbs/bootstrap/tree/v4-dev/scss)
+and/or [`/bootstrap/js/`](https://github.com/twbs/bootstrap/tree/v4-dev/js) instead.
 
 Similarly, when contributing to Bootstrap's documentation, you should edit the
 documentation source files in
-[the `/bootstrap/docs/` directory of the `master` branch](https://github.com/twbs/bootstrap/tree/master/docs).
+[the `/bootstrap/docs/4.0` directory of the `v4-dev` branch](https://github.com/twbs/bootstrap/tree/v4-dev/docs/4.0).
 **Do not edit the `gh-pages` branch.** That branch is generated from the
 documentation source files and is managed separately by the Bootstrap Core Team.
 
@@ -185,8 +184,8 @@ included in the project:
 2. If you cloned a while ago, get the latest changes from upstream:
 
    ```bash
-   git checkout master
-   git pull upstream master
+   git checkout v4-dev
+   git pull upstream v4-dev
    ```
 
 3. Create a new topic branch (off the main project development branch) to
@@ -205,7 +204,7 @@ included in the project:
 5. Locally merge (or rebase) the upstream development branch into your topic branch:
 
    ```bash
-   git pull [--rebase] upstream master
+   git pull [--rebase] upstream v4-dev
    ```
 
 6. Push your topic branch up to your fork:
@@ -215,7 +214,7 @@ included in the project:
    ```
 
 7. [Open a Pull Request](https://help.github.com/articles/using-pull-requests/)
-    with a clear title and description against the `master` branch.
+    with a clear title and description against the `v4-dev` branch.
 
 **IMPORTANT**: By submitting a patch, you agree to allow the project owners to
 license your work under the terms of the [MIT License](LICENSE) (if it

Gemfile.lock

@@ -3,8 +3,8 @@ GEM
   specs:
     addressable (2.4.0)
     colorator (0.1)
-    ffi (1.9.14)
-    ffi (1.9.14-x64-mingw32)
+    ffi (1.9.18)
+    ffi (1.9.18-x64-mingw32)
     jekyll (3.1.6)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
@@ -14,24 +14,28 @@ GEM
       mercenary (~> 0.3.3)
       rouge (~> 1.7)
       safe_yaml (~> 1.0)
-    jekyll-sass-converter (1.4.0)
+    jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
     jekyll-sitemap (0.11.0)
       addressable (~> 2.4.0)
-    jekyll-watch (1.4.0)
+    jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
-    kramdown (1.11.1)
+    kramdown (1.14.0)
     liquid (3.0.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
     safe_yaml (1.0.4)
-    sass (3.4.22)
+    sass (3.5.1)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
 
 PLATFORMS
   ruby
@@ -42,4 +46,4 @@ DEPENDENCIES
   jekyll-sitemap (~> 0.11.0)
 
 BUNDLED WITH
-   1.15.1
+   1.15.3

_config.yml

@@ -10,6 +10,7 @@ source:           docs
 destination:      _gh_pages
 host:             0.0.0.0
 port:             9001
+baseurl:          ""
 url:              http://getbootstrap.com
 baseurl:          /docs/3.4
 encoding:         UTF-8
@@ -19,6 +20,7 @@ gems:
 
 # Custom vars
 current_version:  3.4.0
+docs_version:     3.4
 repo:             https://github.com/twbs/bootstrap
 sass_repo:        https://github.com/twbs/bootstrap-sass
 

docs/_data/browser-bugs.yml

@@ -1,3 +1,13 @@
+-
+  browser: >
+    Microsoft Edge
+  summary: >
+    Visual artifacts in scrollable modal dialogs
+  upstream_bug: >
+    Edge#9011176
+  origin: >
+    Bootstrap#20755
+
 -
   browser: >
     Microsoft Edge

js/carousel.js

@@ -144,7 +144,9 @@
     var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
     if ($.support.transition && this.$element.hasClass('slide')) {
       $next.addClass(type)
-      $next[0].offsetWidth // force reflow
+      if (typeof $next === 'object' && $next.length) {
+        $next[0].offsetWidth // force reflow
+      }
       $active.addClass(direction)
       $next.addClass(direction)
       $active