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google-chromesafariace-editor

Red Spaces in ACE with Chrome

I'm trying to figure out why spaces turn red/invalid (<span class="ace_invisible ace_invisible_space ace_invalid">·</span>) in ACE with Chrome and Safari. Everything works correctly with Firefox.

Sample: http://laktak.github.io/js-graphy/

I already specified charset="utf-8" as suggested by this answer.

Solution

  • This is caused by 

    textarea {
  white-space: nowrap;
}

    css rule in graphy.css. Disabling that fixes the issue.