Back to the source code on GitHub.
Demo styles (border on <body> and a background-color on <line-numbers>) have been added here to demonstrate obtrusive behavior (the numbers intrude on and shrink the width of the original content).
# Hello {{ subject }} line another line this is getting longer this is getting longer
# Hello {{ subject }} line another line this is getting longer this is getting longer
<pre>
with vertical overflow# Hello {{ subject }} line another line this is getting longer this is getting longer
<pre>
with vertical overflow (obtrusive)# Hello {{ subject }} line another line this is getting longer this is getting longer
<pre>
with horizontal overflow# Hello {{ subject }} line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line another line this is getting longer this is getting longer
<pre>
with horizontal overflow (obtrusive)# Hello {{ subject }} line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line another line this is getting longer this is getting longer
<pre>
with both overflow# Hello {{ subject }} line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line another line this is getting longer this is getting longer
<pre>
with both overflow (obtrusive)# Hello {{ subject }} line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line super long line another line this is getting longer this is getting longer
# Hello {{ subject }} line another line this is getting longer this is getting longer
# Hello {{ subject }} line another line this is getting longer this is getting longer
If you type additional lines into the textarea, we add more numbers.