Update xterm to latest version

xTerm/build/debug/main.css

@@ -37,7 +37,7 @@
  */
 
 .xterm {
-    font-feature-settings: "liga" 0;
+    cursor: text;
     position: relative;
     user-select: none;
     -ms-user-select: none;
@@ -60,10 +60,10 @@
 }
 
 .xterm .xterm-helper-textarea {
-    /*
-     * HACK: to fix IE's blinking cursor
-     * Move textarea out of the screen to the far left, so that the cursor is not visible.
-     */
+    padding: 0;
+    border: 0;
+    margin: 0;
+    /* Move textarea out of the screen to the far left, so that the cursor is not visible */
     position: absolute;
     opacity: 0;
     left: -9999em;
@@ -126,16 +126,13 @@
     line-height: normal;
 }
 
-.xterm {
-    cursor: text;
-}
-
 .xterm.enable-mouse-events {
     /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
     cursor: default;
 }
 
-.xterm.xterm-cursor-pointer {
+.xterm.xterm-cursor-pointer,
+.xterm .xterm-cursor-pointer {
     cursor: pointer;
 }
 
@@ -150,7 +147,6 @@
     left: 0;
     top: 0;
     bottom: 0;
-    right: 0;
     z-index: 10;
     color: transparent;
 }
@@ -167,6 +163,30 @@
     opacity: 0.5;
 }
 
-.xterm-underline {
-    text-decoration: underline;
+.xterm-underline-1 { text-decoration: underline; }
+.xterm-underline-2 { text-decoration: double underline; }
+.xterm-underline-3 { text-decoration: wavy underline; }
+.xterm-underline-4 { text-decoration: dotted underline; }
+.xterm-underline-5 { text-decoration: dashed underline; }
+
+.xterm-strikethrough {
+    text-decoration: line-through;
+}
+
+.xterm-screen .xterm-decoration-container .xterm-decoration {
+	z-index: 6;
+	position: absolute;
+}
+
+.xterm-decoration-overview-ruler {
+    z-index: 7;
+    position: absolute;
+    top: 0;
+    right: 0;
+    pointer-events: none;
+}
+
+.xterm-decoration-top {
+    z-index: 2;
+    position: relative;
 }

xTerm/build/debug/package.json

@@ -6,7 +6,7 @@
         "author": "",
         "email": ""
     },
-    "version":"4.8.1-r",
+    "version":"5.1.0-r",
     "category":"Library",
     "iconclass":"fa fa-cog",
     "mimes":["none"],