Fix squiggly heredoc syntax

Author: gshaw

syntaxes/ruby.tmLanguage

@@ -2173,7 +2173,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)HTML)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)HTML)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded html</string>
       <key>end</key>
@@ -2184,7 +2184,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)HTML)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)HTML)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2231,7 +2231,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)SQL)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)SQL)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded sql</string>
       <key>end</key>
@@ -2242,7 +2242,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)SQL)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)SQL)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2289,7 +2289,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)CSS)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)CSS)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded css</string>
       <key>end</key>
@@ -2300,7 +2300,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)CSS)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)CSS)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2347,7 +2347,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)CPP)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)CPP)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded c++</string>
       <key>end</key>
@@ -2358,7 +2358,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)CPP)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)CPP)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2405,7 +2405,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)C)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)C)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded c</string>
       <key>end</key>
@@ -2416,7 +2416,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)C)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)C)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2463,7 +2463,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)(?:JS|JAVASCRIPT))\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)(?:JS|JAVASCRIPT))\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded javascript</string>
       <key>end</key>
@@ -2474,7 +2474,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)(?:JS|JAVASCRIPT))\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)(?:JS|JAVASCRIPT))\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2521,7 +2521,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)JQUERY)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)JQUERY)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded jQuery javascript</string>
       <key>end</key>
@@ -2532,7 +2532,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)JQUERY)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)JQUERY)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2579,7 +2579,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)(?:SH|SHELL))\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)(?:SH|SHELL))\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded shell</string>
       <key>end</key>
@@ -2590,7 +2590,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)(?:SH|SHELL))\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)(?:SH|SHELL))\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2637,7 +2637,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)LUA)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)LUA)\b\1))</string>
       <key>comment</key>
       <string>Heredoc with embedded lua</string>
       <key>end</key>
@@ -2648,7 +2648,7 @@
       <array>
         <dict>
           <key>begin</key>
-          <string>(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)LUA)\b\1)</string>
+          <string>(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)LUA)\b\1)</string>
           <key>beginCaptures</key>
           <dict>
             <key>0</key>
@@ -2695,7 +2695,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?=(?&gt;&lt;&lt;-("?)((?:[_\w]+_|)RUBY)\b\1))</string>
+      <string>(?=(?&gt;&lt;&lt;[-~]("?)((?:[_\w]+_|)RUBY)\b\1))</string>
       <key>beginCaptures</key>
       <dict>
         <key>0</key>
@@ -2736,7 +2736,7 @@
     </dict>
     <dict>
       <key>begin</key>
-      <string>(?&gt;&lt;&lt;-(\w+))</string>
+      <string>(?&gt;&lt;&lt;[-~](\w+))</string>
       <key>beginCaptures</key>
       <dict>
         <key>0</key>
@@ -3018,7 +3018,7 @@
     <key>heredoc</key>
     <dict>
       <key>begin</key>
-      <string>^&lt;&lt;-?\w+</string>
+      <string>^&lt;&lt;[-~]?\w+</string>
       <key>end</key>
       <string>$</string>
       <key>patterns</key>