diff --git a/README.md b/README.md
index 375fce4..c6ce241 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,33 @@ hljs.initLineNumbersOnLoad({
 hljs.lineNumbersBlock(myCodeBlock, myOptions);
 ```
 
+## Skipping some blocks
+
+(Applies to `hljs.initLineNumbersOnLoad()` initialization only.)
+
+If you want to skip some of your `code` blocks (to leave them unnumbered), you can mark 
+them with `.hlnoln` class.
+
+## Start numbering from a custom value
+
+If you want numbering to start from some other value than `1`, you can specify a 
+_numbering offset_, in one of the following ways:
+
+* Specifying desired offset in `hljs.lineNumbersBlock()` call, as in:
+```js
+hljs.lineNumbersBlock(myCodeBlock, myOptions, 10); // Numbering will start from 11
+```
+* Specifying the desired offset in `data-ln-offset` attribute of `code` element, as in:
+```html
+<pre>
+<code data-ln-offset="10">
+...
+</code>
+</pre>
+```
+
+In both cases numbering offset will be `10`, meaning that the numbering will start from `11`.
+
 ## CSS selectors
 
 You may need to select some lines of code after rendering. For instance, you may want
diff --git a/dist/highlightjs-line-numbers.min.js b/dist/highlightjs-line-numbers.min.js
index fb886a0..0ec0c94 100644
--- a/dist/highlightjs-line-numbers.min.js
+++ b/dist/highlightjs-line-numbers.min.js
@@ -1 +1 @@
-!function(e,n){"use strict";function t(e){for(var n=e;n;){if(n.className&&n.className.indexOf("hljs-ln-code")!==-1)return!0;n=n.parentNode}return!1}function r(e){for(var n=e;"TABLE"!==n.nodeName;)n=n.parentNode;return n}function o(e){for(var n=e.toString(),t=e.anchorNode;"TD"!==t.nodeName;)t=t.parentNode;for(var o=e.focusNode;"TD"!==o.nodeName;)o=o.parentNode;var a=parseInt(t.dataset.lineNumber),i=parseInt(o.dataset.lineNumber);if(a!=i){var l=t.textContent,s=o.textContent;if(a>i){var c=a;a=i,i=c,c=l,l=s,s=c}for(;0!==n.indexOf(l);)l=l.slice(1);for(;n.lastIndexOf(s)===-1;)s=s.slice(0,-1);for(var d=l,u=r(t),f=a+1;f<i;++f){var h=m('.{0}[{1}="{2}"]',[b,T,f]),v=u.querySelector(h);d+="\n"+v.textContent}return d+="\n"+s}return n}function a(){var e=n.createElement("style");e.type="text/css",e.innerHTML=m(".{0}{border-collapse:collapse}.{0} td{padding:0}.{1}:before{content:attr({2})}",[N,y,T]),n.getElementsByTagName("head")[0].appendChild(e)}function i(t){"interactive"===n.readyState||"complete"===n.readyState?l(t):e.addEventListener("DOMContentLoaded",function(){l(t)})}function l(t){try{var r=n.querySelectorAll("code.hljs,code.nohighlight");for(var o in r)r.hasOwnProperty(o)&&s(r[o],t)}catch(a){e.console.error("LineNumbers error: ",a)}}function s(e,n){"object"==typeof e&&g(function(){e.innerHTML=d(e,n)})}function c(e,n){if("string"==typeof e){var t=document.createElement("code");return t.innerHTML=e,d(t,n)}}function d(e,n){n=n||{singleLine:!1};var t=n.singleLine?0:1;return f(e),u(e.innerHTML,t)}function u(e,n){var t=v(e);if(""===t[t.length-1].trim()&&t.pop(),t.length>n){for(var r="",o=0,a=t.length;o<a;o++)r+=m('<tr><td class="{0} {1}" {3}="{5}"><div class="{2}" {3}="{5}"></div></td><td class="{0} {4}" {3}="{5}">{6}</td></tr>',[L,j,y,T,b,o+1,t[o].length>0?t[o]:" "]);return m('<table class="{0}">{1}</table>',[N,r])}return e}function f(e){var n=e.childNodes;for(var t in n)if(n.hasOwnProperty(t)){var r=n[t];p(r.textContent)>0&&(r.childNodes.length>0?f(r):h(r.parentNode))}}function h(e){var n=e.className;if(/hljs-/.test(n)){for(var t=v(e.innerHTML),r=0,o="";r<t.length;r++){var a=t[r].length>0?t[r]:" ";o+=m('<span class="{0}">{1}</span>\n',[n,a])}e.innerHTML=o.trim()}}function v(e){return 0===e.length?[]:e.split(x)}function p(e){return(e.trim().match(x)||[]).length}function g(n){e.setTimeout(n,0)}function m(e,n){return e.replace(/\{(\d+)\}/g,function(e,t){return n[t]?n[t]:e})}var N="hljs-ln",L="hljs-ln-line",b="hljs-ln-code",j="hljs-ln-numbers",y="hljs-ln-n",T="data-line-number",x=/\r\n|\r|\n/g;e.hljs?(e.hljs.initLineNumbersOnLoad=i,e.hljs.lineNumbersBlock=s,e.hljs.lineNumbersValue=c,a()):e.console.error("highlight.js not detected!"),document.addEventListener("copy",function(e){var n=window.getSelection();if(t(n.anchorNode)){var r;r=window.navigator.userAgent.indexOf("Edge")!==-1?o(n):n.toString(),e.clipboardData.setData("text/plain",r),e.preventDefault()}})}(window,document);
\ No newline at end of file
+!function(e,n){"use strict";function t(e){for(var n=e;n;){if(n.className&&n.className.indexOf("hljs-ln-code")!==-1)return!0;n=n.parentNode}return!1}function r(e){for(var n=e;"TABLE"!==n.nodeName;)n=n.parentNode;return n}function i(e){for(var n=e.toString(),t=e.anchorNode;"TD"!==t.nodeName;)t=t.parentNode;for(var i=e.focusNode;"TD"!==i.nodeName;)i=i.parentNode;var o=parseInt(t.dataset.lineNumber),a=parseInt(i.dataset.lineNumber);if(o!=a){var l=t.textContent,s=i.textContent;if(o>a){var c=o;o=a,a=c,c=l,l=s,s=c}for(;0!==n.indexOf(l);)l=l.slice(1);for(;n.lastIndexOf(s)===-1;)s=s.slice(0,-1);for(var d=l,u=r(t),f=o+1;f<a;++f){var h=g('.{0}[{1}="{2}"]',[b,T,f]),v=u.querySelector(h);d+="\n"+v.textContent}return d+="\n"+s}return n}function o(){var e=n.createElement("style");e.type="text/css",e.innerHTML=g(".{0}{border-collapse:collapse}.{0} td{padding:0}.{1}:before{content:attr({2})}",[N,j,T]),n.getElementsByTagName("head")[0].appendChild(e)}function a(t){"interactive"===n.readyState||"complete"===n.readyState?l(t):e.addEventListener("DOMContentLoaded",function(){l(t)})}function l(t){console.log("documentReady() called!");try{var r=n.querySelectorAll("code.hljs,code.nohighlight");for(var i in r)r.hasOwnProperty(i)&&!r[i].classList.contains("hlnoln")&&s(r[i],t)}catch(o){e.console.error("LineNumbers error: ",o)}}function s(e,n,t){if("object"==typeof e){if("undefined"==typeof t||null===t||!isFinite(t)){var r=e.attributes["data-ln-offset"];if("undefined"!=typeof r&&null!==r&&isFinite(r.value))try{t=Number(r.value)}catch(i){t=0}else t=0}m(function(){e.innerHTML=d(e,n,t)})}}function c(e,n,t){if("string"==typeof e){"undefined"!=typeof t&&null!==t&&isFinite(t)||(t=0);var r=document.createElement("code");return r.innerHTML=e,d(r,n,t)}}function d(e,n,t){"undefined"!=typeof t&&null!==t&&isFinite(t)||(t=0),n=n||{singleLine:!1};var r=n.singleLine?0:1;return f(e),u(e.innerHTML,r,t)}function u(e,n,t){"undefined"!=typeof t&&null!==t&&isFinite(t)||(t=0);var r=v(e);if(""===r[r.length-1].trim()&&r.pop(),r.length>n){for(var i="",o=0,a=r.length;o<a;o++)i+=g('<tr><td class="{0} {1}" {3}="{5}"><div class="{2}" {3}="{5}"></div></td><td class="{0} {4}" {3}="{5}">{6}</td></tr>',[y,L,j,T,b,o+1+t,r[o].length>0?r[o]:" "]);return g('<table class="{0}">{1}</table>',[N,i])}return e}function f(e){var n=e.childNodes;for(var t in n)if(n.hasOwnProperty(t)){var r=n[t];p(r.textContent)>0&&(r.childNodes.length>0?f(r):h(r.parentNode))}}function h(e){var n=e.className;if(/hljs-/.test(n)){for(var t=v(e.innerHTML),r=0,i="";r<t.length;r++){var o=t[r].length>0?t[r]:" ";i+=g('<span class="{0}">{1}</span>\n',[n,o])}e.innerHTML=i.trim()}}function v(e){return 0===e.length?[]:e.split(x)}function p(e){return(e.trim().match(x)||[]).length}function m(n){e.setTimeout(n,0)}function g(e,n){return e.replace(/\{(\d+)\}/g,function(e,t){return n[t]?n[t]:e})}var N="hljs-ln",y="hljs-ln-line",b="hljs-ln-code",L="hljs-ln-numbers",j="hljs-ln-n",T="data-line-number",x=/\r\n|\r|\n/g;e.hljs?(e.hljs.initLineNumbersOnLoad=a,e.hljs.lineNumbersBlock=s,e.hljs.lineNumbersValue=c,o()):e.console.error("highlight.js not detected!"),document.addEventListener("copy",function(e){var n=window.getSelection();if(t(n.anchorNode)){var r;r=window.navigator.userAgent.indexOf("Edge")!==-1?i(n):n.toString(),e.clipboardData.setData("text/plain",r),e.preventDefault()}})}(window,document);
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index cd0d14f..363bb3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,9 @@
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
       "requires": {
-        "kind-of": "^3.0.2",
-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
       },
       "dependencies": {
         "kind-of": {
@@ -21,7 +21,7 @@
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
           "requires": {
-            "is-buffer": "^1.1.5"
+            "is-buffer": "1.1.6"
           }
         }
       }
@@ -32,7 +32,7 @@
       "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
       "dev": true,
       "requires": {
-        "ansi-wrap": "^0.1.0"
+        "ansi-wrap": "0.1.0"
       }
     },
     "ansi-gray": {
@@ -68,8 +68,8 @@
       "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
       "dev": true,
       "requires": {
-        "micromatch": "^3.1.4",
-        "normalize-path": "^2.1.1"
+        "micromatch": "3.1.10",
+        "normalize-path": "2.1.1"
       }
     },
     "append-buffer": {
@@ -78,7 +78,7 @@
       "integrity": "sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=",
       "dev": true,
       "requires": {
-        "buffer-equal": "^1.0.0"
+        "buffer-equal": "1.0.0"
       }
     },
     "archy": {
@@ -99,7 +99,7 @@
       "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=",
       "dev": true,
       "requires": {
-        "make-iterator": "^1.0.0"
+        "make-iterator": "1.0.1"
       }
     },
     "arr-flatten": {
@@ -114,7 +114,7 @@
       "integrity": "sha1-Onc0X/wc814qkYJWAfnljy4kysQ=",
       "dev": true,
       "requires": {
-        "make-iterator": "^1.0.0"
+        "make-iterator": "1.0.1"
       }
     },
     "arr-union": {
@@ -141,8 +141,8 @@
       "integrity": "sha1-L6dLJnOTccOUe9enrcc74zSz15U=",
       "dev": true,
       "requires": {
-        "array-slice": "^1.0.0",
-        "is-number": "^4.0.0"
+        "array-slice": "1.1.0",
+        "is-number": "4.0.0"
       },
       "dependencies": {
         "is-number": {
@@ -159,7 +159,7 @@
       "integrity": "sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==",
       "dev": true,
       "requires": {
-        "is-number": "^4.0.0"
+        "is-number": "4.0.0"
       },
       "dependencies": {
         "is-number": {
@@ -182,9 +182,9 @@
       "integrity": "sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==",
       "dev": true,
       "requires": {
-        "default-compare": "^1.0.0",
-        "get-value": "^2.0.6",
-        "kind-of": "^5.0.2"
+        "default-compare": "1.0.0",
+        "get-value": "2.0.6",
+        "kind-of": "5.1.0"
       },
       "dependencies": {
         "kind-of": {
@@ -225,10 +225,10 @@
       "integrity": "sha512-R1BaUeJ4PMoLNJuk+0tLJgjmEqVsdN118+Z8O+alhnQDQgy0kmD5Mqi0DNEmMx2LM0Ed5yekKu+ZXYvIHceicg==",
       "dev": true,
       "requires": {
-        "end-of-stream": "^1.1.0",
-        "once": "^1.3.2",
-        "process-nextick-args": "^1.0.7",
-        "stream-exhaust": "^1.0.1"
+        "end-of-stream": "1.4.1",
+        "once": "1.4.0",
+        "process-nextick-args": "1.0.7",
+        "stream-exhaust": "1.0.2"
       },
       "dependencies": {
         "process-nextick-args": {
@@ -251,7 +251,7 @@
       "integrity": "sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=",
       "dev": true,
       "requires": {
-        "async-done": "^1.2.2"
+        "async-done": "1.3.1"
       }
     },
     "atob": {
@@ -266,15 +266,15 @@
       "integrity": "sha1-Szzpa/JxNPeaG0FKUcFONMO9mIA=",
       "dev": true,
       "requires": {
-        "arr-filter": "^1.1.1",
-        "arr-flatten": "^1.0.1",
-        "arr-map": "^2.0.0",
-        "array-each": "^1.0.0",
-        "array-initial": "^1.0.0",
-        "array-last": "^1.1.1",
-        "async-done": "^1.2.2",
-        "async-settle": "^1.0.0",
-        "now-and-later": "^2.0.0"
+        "arr-filter": "1.1.2",
+        "arr-flatten": "1.1.0",
+        "arr-map": "2.0.2",
+        "array-each": "1.0.1",
+        "array-initial": "1.1.0",
+        "array-last": "1.3.0",
+        "async-done": "1.3.1",
+        "async-settle": "1.0.0",
+        "now-and-later": "2.0.0"
       }
     },
     "balanced-match": {
@@ -289,13 +289,13 @@
       "integrity": "sha1-e95c7RRbbVUakNuH+DxVi060io8=",
       "dev": true,
       "requires": {
-        "cache-base": "^1.0.1",
-        "class-utils": "^0.3.5",
-        "component-emitter": "^1.2.1",
-        "define-property": "^1.0.0",
-        "isobject": "^3.0.1",
-        "mixin-deep": "^1.2.0",
-        "pascalcase": "^0.1.1"
+        "cache-base": "1.0.1",
+        "class-utils": "0.3.6",
+        "component-emitter": "1.2.1",
+        "define-property": "1.0.0",
+        "isobject": "3.0.1",
+        "mixin-deep": "1.3.1",
+        "pascalcase": "0.1.1"
       },
       "dependencies": {
         "define-property": {
@@ -304,7 +304,7 @@
           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
           "dev": true,
           "requires": {
-            "is-descriptor": "^1.0.0"
+            "is-descriptor": "1.0.2"
           }
         },
         "is-accessor-descriptor": {
@@ -313,7 +313,7 @@
           "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
           "dev": true,
           "requires": {
-            "kind-of": "^6.0.0"
+            "kind-of": "6.0.2"
           }
         },
         "is-data-descriptor": {
@@ -322,7 +322,7 @@
           "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
           "dev": true,
           "requires": {
-            "kind-of": "^6.0.0"
+            "kind-of": "6.0.2"
           }
         },
         "is-descriptor": {
@@ -331,9 +331,9 @@
           "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
+            "is-accessor-descriptor": "1.0.0",
+            "is-data-descriptor": "1.0.0",
+            "kind-of": "6.0.2"
           }
         }
       }
@@ -362,7 +362,7 @@
       "integrity": "sha1-PH/L9SnYcibz0vUrlm/1Jx60Qd0=",
       "dev": true,
       "requires": {
-        "balanced-match": "^1.0.0",
+        "balanced-match": "1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -372,16 +372,16 @@
       "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
       "dev": true,
       "requires": {
-        "arr-flatten": "^1.1.0",
-        "array-unique": "^0.3.2",
-        "extend-shallow": "^2.0.1",
-        "fill-range": "^4.0.0",
-        "isobject": "^3.0.1",
-        "repeat-element": "^1.1.2",
-        "snapdragon": "^0.8.1",
-        "snapdragon-node": "^2.0.1",
-        "split-string": "^3.0.2",
-        "to-regex": "^3.0.1"
+        "arr-flatten": "1.1.0",
+        "array-unique": "0.3.2",
+        "extend-shallow": "2.0.1",
+        "fill-range": "4.0.0",
+        "isobject": "3.0.1",
+        "repeat-element": "1.1.3",
+        "snapdragon": "0.8.2",
+        "snapdragon-node": "2.1.1",
+        "split-string": "3.1.0",
+        "to-regex": "3.0.2"
       },
       "dependencies": {
         "extend-shallow": {
@@ -390,7 +390,7 @@
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
           "requires": {
-            "is-extendable": "^0.1.0"
+            "is-extendable": "0.1.1"
           }
         }
       }
@@ -419,15 +419,15 @@
       "integrity": "sha1-Cn9GQWgxyLZi7jb+TnxZ129marI=",
       "dev": true,
       "requires": {
-        "collection-visit": "^1.0.0",
-        "component-emitter": "^1.2.1",
-        "get-value": "^2.0.6",
-        "has-value": "^1.0.0",
-        "isobject": "^3.0.1",
-        "set-value": "^2.0.0",
-        "to-object-path": "^0.3.0",
-        "union-value": "^1.0.0",
-        "unset-value": "^1.0.0"
+        "collection-visit": "1.0.0",
+        "component-emitter": "1.2.1",
+        "get-value": "2.0.6",
+        "has-value": "1.0.0",
+        "isobject": "3.0.1",
+        "set-value": "2.0.0",
+        "to-object-path": "0.3.0",
+        "union-value": "1.0.0",
+        "unset-value": "1.0.0"
       }
     },
     "camelcase": {
@@ -442,8 +442,8 @@
       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
       "dev": true,
       "requires": {
-        "align-text": "^0.1.3",
-        "lazy-cache": "^1.0.3"
+        "align-text": "0.1.4",
+        "lazy-cache": "1.0.4"
       }
     },
     "chalk": {
@@ -452,11 +452,11 @@
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
       "requires": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
+        "ansi-styles": "2.2.1",
+        "escape-string-regexp": "1.0.5",
+        "has-ansi": "2.0.0",
+        "strip-ansi": "3.0.1",
+        "supports-color": "2.0.0"
       }
     },
     "chokidar": {
@@ -465,19 +465,19 @@
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       "dev": true,
       "requires": {
-        "anymatch": "^2.0.0",
-        "async-each": "^1.0.0",
-        "braces": "^2.3.0",
-        "fsevents": "^1.2.2",
-        "glob-parent": "^3.1.0",
-        "inherits": "^2.0.1",
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     },
@@ -4352,7 +4352,7 @@
       "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
       "dev": true,
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "3.0.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/src/highlightjs-line-numbers.js b/src/highlightjs-line-numbers.js
index c1f98ff..c4ccde0 100644
--- a/src/highlightjs-line-numbers.js
+++ b/src/highlightjs-line-numbers.js
@@ -154,11 +154,11 @@
     }
 
     function documentReady (options) {
+        console.log('documentReady() called!');
         try {
             var blocks = d.querySelectorAll('code.hljs,code.nohighlight');
-
             for (var i in blocks) {
-                if (blocks.hasOwnProperty(i)) {
+                if (blocks.hasOwnProperty(i) && !blocks[i].classList.contains('hlnoln')) {
                     lineNumbersBlock(blocks[i], options);
                 }
             }
@@ -167,24 +167,45 @@
         }
     }
 
-    function lineNumbersBlock (element, options) {
+    function lineNumbersBlock (element, options, lnOffset) {
         if (typeof element !== 'object') return;
 
+        if (typeof lnOffset === typeof undefined || lnOffset === null || !isFinite(lnOffset)) {
+
+            var lnOffsetAttr = element.attributes['data-ln-offset'];
+
+            if (typeof lnOffsetAttr !== typeof undefined && lnOffsetAttr !== null && isFinite(lnOffsetAttr.value)) {
+                try {
+                    lnOffset = Number(lnOffsetAttr.value);
+                }
+                catch (err) {
+                    lnOffset = 0;
+                }
+            } else
+                lnOffset = 0;
+        }
+
         async(function () {
-            element.innerHTML = lineNumbersInternal(element, options);
+            element.innerHTML = lineNumbersInternal(element, options, lnOffset);
         });
     }
 
-    function lineNumbersValue (value, options) {
+    function lineNumbersValue (value, options, lnOffset) {
         if (typeof value !== 'string') return;
 
+        if (typeof lnOffset === typeof undefined || lnOffset === null || !isFinite(lnOffset))
+            lnOffset = 0;
+
         var element = document.createElement('code')
         element.innerHTML = value
 
-        return lineNumbersInternal(element, options);
+        return lineNumbersInternal(element, options, lnOffset);
     }
 
-    function lineNumbersInternal (element, options) {
+    function lineNumbersInternal (element, options, lnOffset) {
+        if (typeof lnOffset === typeof undefined || lnOffset === null || !isFinite(lnOffset))
+            lnOffset = 0;
+
         // define options or set default
         options = options || {
             singleLine: false
@@ -195,10 +216,12 @@
 
         duplicateMultilineNodes(element);
 
-        return addLineNumbersBlockFor(element.innerHTML, firstLineIndex);
+        return addLineNumbersBlockFor(element.innerHTML, firstLineIndex, lnOffset);
     }
 
-    function addLineNumbersBlockFor (inputHtml, firstLineIndex) {
+    function addLineNumbersBlockFor (inputHtml, firstLineIndex, lnOffset) {
+        if (typeof lnOffset === typeof undefined || lnOffset === null || !isFinite(lnOffset))
+            lnOffset = 0;
 
         var lines = getLines(inputHtml);
 
@@ -226,7 +249,7 @@
                     NUMBER_LINE_NAME,
                     DATA_ATTR_NAME,
                     CODE_BLOCK_NAME,
-                    i + 1,
+                    i + 1 + lnOffset,
                     lines[i].length > 0 ? lines[i] : ' '
                 ]);
             }