From 07a5d55f01c826c136b58c89907be76a203d5eaa Mon Sep 17 00:00:00 2001
From: Chris Rebert <code@rebertia.com>
Date: Mon, 16 Mar 2015 14:41:03 -0700
Subject: [PATCH 1/3] tooltip: line-height: 1.4 => @line-height-base

---
 less/tooltip.less | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/less/tooltip.less b/less/tooltip.less
index 9d5684743309..c0dfd55ce1ae 100644
--- a/less/tooltip.less
+++ b/less/tooltip.less
@@ -12,7 +12,7 @@
   font-family: @font-family-base;
   font-size: @font-size-small;
   font-weight: normal;
-  line-height: 1.4;
+  line-height: @line-height-base;
   .opacity(0);
 
   &.in     { .opacity(@tooltip-opacity); }

From 1bc9fb626c7f1829c3e86969a206091d93addca7 Mon Sep 17 00:00:00 2001
From: Chris Rebert <code@rebertia.com>
Date: Mon, 16 Mar 2015 14:47:07 -0700
Subject: [PATCH 2/3] hoist text-decoration reset up from .tooltip-inner to
 .tooltip

---
 less/tooltip.less | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/less/tooltip.less b/less/tooltip.less
index c0dfd55ce1ae..90207b54a680 100644
--- a/less/tooltip.less
+++ b/less/tooltip.less
@@ -13,6 +13,7 @@
   font-size: @font-size-small;
   font-weight: normal;
   line-height: @line-height-base;
+  text-decoration: none;
   .opacity(0);
 
   &.in     { .opacity(@tooltip-opacity); }
@@ -28,7 +29,6 @@
   padding: 3px 8px;
   color: @tooltip-color;
   text-align: center;
-  text-decoration: none;
   background-color: @tooltip-bg;
   border-radius: @border-radius-base;
 }

From 5359cb805439a6e3179fdd46d2fb009babd0f01b Mon Sep 17 00:00:00 2001
From: Chris Rebert <code@rebertia.com>
Date: Mon, 16 Mar 2015 14:48:49 -0700
Subject: [PATCH 3/3] Reset text/font properties more thoroughly for
 tooltips+popovers; fixes #15925

[skip sauce]
---
 less/mixins.less            |  1 +
 less/mixins/reset-text.less | 18 ++++++++++++++++++
 less/popovers.less          | 12 ++++--------
 less/tooltip.less           |  9 ++++-----
 4 files changed, 27 insertions(+), 13 deletions(-)
 create mode 100644 less/mixins/reset-text.less

diff --git a/less/mixins.less b/less/mixins.less
index af4408fc2d68..e6f9fe684b7a 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -11,6 +11,7 @@
 @import "mixins/responsive-visibility.less";
 @import "mixins/size.less";
 @import "mixins/tab-focus.less";
+@import "mixins/reset-text.less";
 @import "mixins/text-emphasis.less";
 @import "mixins/text-overflow.less";
 @import "mixins/vendor-prefixes.less";
diff --git a/less/mixins/reset-text.less b/less/mixins/reset-text.less
new file mode 100644
index 000000000000..58dd4d19b4d1
--- /dev/null
+++ b/less/mixins/reset-text.less
@@ -0,0 +1,18 @@
+.reset-text() {
+  font-family: @font-family-base;
+  // We deliberately do NOT reset font-size.
+  font-style: normal;
+  font-weight: normal;
+  letter-spacing: normal;
+  line-break: auto;
+  line-height: @line-height-base;
+  text-align: left; // Fallback for where `start` is not supported
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  white-space: normal;
+  word-break: normal;
+  word-spacing: normal;
+  word-wrap: normal;
+}
diff --git a/less/popovers.less b/less/popovers.less
index 2748eead13fa..3a62a6455ac1 100644
--- a/less/popovers.less
+++ b/less/popovers.less
@@ -11,12 +11,11 @@
   display: none;
   max-width: @popover-max-width;
   padding: 1px;
-  // Reset font and text properties given new insertion method
-  font-family: @font-family-base;
+  // Our parent element can be arbitrary since popovers are by default inserted as a sibling of their target element.
+  // So reset our font and text properties to avoid inheriting weird values.
+  .reset-text();
   font-size: @font-size-base;
-  font-weight: normal;
-  line-height: @line-height-base;
-  text-align: left;
+
   background-color: @popover-bg;
   background-clip: padding-box;
   border: 1px solid @popover-fallback-border-color;
@@ -24,9 +23,6 @@
   border-radius: @border-radius-large;
   .box-shadow(0 5px 10px rgba(0,0,0,.2));
 
-  // Overrides for proper insertion
-  white-space: normal;
-
   // Offset the popover to account for the popover arrow
   &.top     { margin-top: -@popover-arrow-width; }
   &.right   { margin-left: @popover-arrow-width; }
diff --git a/less/tooltip.less b/less/tooltip.less
index 90207b54a680..b48d63e07ad8 100644
--- a/less/tooltip.less
+++ b/less/tooltip.less
@@ -8,12 +8,11 @@
   position: absolute;
   z-index: @zindex-tooltip;
   display: block;
-  // Reset font and text properties given new insertion method
-  font-family: @font-family-base;
+  // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
+  // So reset our font and text properties to avoid inheriting weird values.
+  .reset-text();
   font-size: @font-size-small;
-  font-weight: normal;
-  line-height: @line-height-base;
-  text-decoration: none;
+
   .opacity(0);
 
   &.in     { .opacity(@tooltip-opacity); }