diff --git a/README.md b/README.md
index bc2be9c..f867562 100644
--- a/README.md
+++ b/README.md
@@ -335,17 +335,17 @@ String
 
 ### Property Methods
 ```text
-+---------------+----------+----------+----------+----------+----------+----------+
-|               | [\t\n\r] | [ !#$%…] | [A-Za-z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
-+---------------+----------+----------+----------+----------+----------+----------+
-| isprintable() |          |   yes    |   yes    |   yes    |   yes    |   yes    |
-| isalnum()     |          |          |   yes    |   yes    |   yes    |   yes    |
-| isnumeric()   |          |          |          |   yes    |   yes    |   yes    |
-| isdigit()     |          |          |          |          |   yes    |   yes    |
-| isdecimal()   |          |          |          |          |          |   yes    |
-+---------------+----------+----------+----------+----------+----------+----------+
-```
-
++---------------+----------+----------+----------+----------+----------+
+|               | [ !#$%…] | [a-zA-Z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
++---------------+----------+----------+----------+----------+----------+
+| isprintable() |   yes    |   yes    |   yes    |   yes    |   yes    |
+| isalnum()     |          |   yes    |   yes    |   yes    |   yes    |
+| isnumeric()   |          |          |   yes    |   yes    |   yes    |
+| isdigit()     |          |          |          |   yes    |   yes    |
+| isdecimal()   |          |          |          |          |   yes    |
++---------------+----------+----------+----------+----------+----------+
+```
+* **Also: `'isspace()'` checks for `'[ \t\n\r…]'`.**
 
 Regex
 -----
diff --git a/index.html b/index.html
index 10974e8..142e8df 100644
--- a/index.html
+++ b/index.html
@@ -443,17 +443,20 @@ to_exclusive   = <range>.stop
 <li><strong>Also: <code class="python hljs"><span class="hljs-string">'lstrip()'</span></code>, <code class="python hljs"><span class="hljs-string">'rstrip()'</span></code>.</strong></li>
 <li><strong>Also: <code class="python hljs"><span class="hljs-string">'lower()'</span></code>, <code class="python hljs"><span class="hljs-string">'upper()'</span></code>, <code class="python hljs"><span class="hljs-string">'capitalize()'</span></code> and <code class="python hljs"><span class="hljs-string">'title()'</span></code>.</strong></li>
 </ul>
-<div><h3 id="propertymethods">Property Methods</h3><pre><code class="text language-text">+---------------+----------+----------+----------+----------+----------+----------+
-|               | [\t\n\r] | [ !#$%…] | [A-Za-z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
-+---------------+----------+----------+----------+----------+----------+----------+
-| isprintable() |          |   yes    |   yes    |   yes    |   yes    |   yes    |
-| isalnum()     |          |          |   yes    |   yes    |   yes    |   yes    |
-| isnumeric()   |          |          |          |   yes    |   yes    |   yes    |
-| isdigit()     |          |          |          |          |   yes    |   yes    |
-| isdecimal()   |          |          |          |          |          |   yes    |
-+---------------+----------+----------+----------+----------+----------+----------+
+<div><h3 id="propertymethods">Property Methods</h3><pre><code class="text language-text">+---------------+----------+----------+----------+----------+----------+
+|               | [ !#$%…] | [a-zA-Z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
++---------------+----------+----------+----------+----------+----------+
+| isprintable() |   yes    |   yes    |   yes    |   yes    |   yes    |
+| isalnum()     |          |   yes    |   yes    |   yes    |   yes    |
+| isnumeric()   |          |          |   yes    |   yes    |   yes    |
+| isdigit()     |          |          |          |   yes    |   yes    |
+| isdecimal()   |          |          |          |          |   yes    |
++---------------+----------+----------+----------+----------+----------+
 </code></pre></div>
 
+<ul>
+<li><strong>Also: <code class="python hljs"><span class="hljs-string">'isspace()'</span></code> checks for <code class="python hljs"><span class="hljs-string">'[ \t\n\r…]'</span></code>.</strong></li>
+</ul>
 <div><h2 id="regex"><a href="#regex" name="regex">#</a>Regex</h2><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> re
 &lt;str&gt;   = re.sub(&lt;regex&gt;, new, text, count=<span class="hljs-number">0</span>)  <span class="hljs-comment"># Substitutes all occurrences.</span>
 &lt;list&gt;  = re.findall(&lt;regex&gt;, text)            <span class="hljs-comment"># Returns all occurrences.</span>
diff --git a/web/script_2.js b/web/script_2.js
index 2ba5309..a59bb22 100644
--- a/web/script_2.js
+++ b/web/script_2.js
@@ -206,18 +206,19 @@ const DIAGRAM_11_B =
   '┗━━━━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━━━━━━┛\n';
 
 const DIAGRAM_12_A =
-  '+---------------+----------+----------+----------+----------+----------+----------+\n';
+  '+---------------+----------+----------+----------+----------+----------+\n';
 
 const DIAGRAM_12_B =
-  '┏━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┓\n' +
-  '┃               │ [\\t\\n\\r] │ [ !#$%…] │ [A-Za-z] │  [¼½¾…]  │  [¹²³…]  │  [0-9]   ┃\n' +
-  '┠───────────────┼──────────┼──────────┼──────────┼──────────┼──────────┼──────────┨\n' +
-  '┃ isprintable() │          │    ✓     │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
-  '┃ isalnum()     │          │          │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
-  '┃ isnumeric()   │          │          │          │    ✓     │    ✓     │    ✓     ┃\n' +
-  '┃ isdigit()     │          │          │          │          │    ✓     │    ✓     ┃\n' +
-  '┃ isdecimal()   │          │          │          │          │          │    ✓     ┃\n' +
-  '┗━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┛\n';
+  '┏━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┓\n' +
+  '┃               │ [ !#$%…] │ [a-zA-Z] │  [¼½¾…]  │  [¹²³…]  │  [0-9]   ┃\n' +
+  '┠───────────────┼──────────┼──────────┼──────────┼──────────┼──────────┨\n' +
+  '┃ isprintable() │    ✓     │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isalnum()     │          │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isnumeric()   │          │          │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isdigit()     │          │          │          │    ✓     │    ✓     ┃\n' +
+  '┃ isdecimal()   │          │          │          │          │    ✓     ┃\n' +
+  '┗━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┛\n';
+
 
 // isFontAvailable:
 (function(d){function c(c){b.style.fontFamily=c;e.appendChild(b);f=b.clientWidth;e.removeChild(b);return f}var f,e=d.body,b=d.createElement("span");b.innerHTML=Array(100).join("wi");b.style.cssText=["position:absolute","width:auto","font-size:128px","left:-99999px"].join(" !important;");var g=c("monospace"),h=c("serif"),k=c("sans-serif");window.isFontAvailable=function(b){return g!==c(b+",monospace")||k!==c(b+",sans-serif")||h!==c(b+",serif")}})(document);