Issue with AddMarker

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DrKameleon WasHere

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Jun 14, 2015, 5:50:19 AM6/14/15
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I'm trying to use "editor.session.addMarker", e.g.:

aceRange = ace.require('ace/range').Range;
session.addMarker(new aceRange(0,1,2,10), "some_custom_class", "line");

but I keep getting a weird error:

Uncaught TypeError: marker.range.clipRows is not a function

What is going on? 

Harutyun Amirjanyan

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Jun 14, 2015, 7:06:09 AM6/14/15
to ace-d...@googlegroups.com
on http://ace.c9.io/#nav=about running 
aceRange = require('ace/range').Range;
editor.session.addMarker(new aceRange(0,1,2,10), "some_custom_class", "line");
require("ace/lib/dom").importCssString('.some_custom_class {\
    background-color: aquamarine;\
    position: absolute;\
}')
in the console, creates marker as expected.
May be something is broken by your modifications?

DrKameleon WasHere

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Jun 14, 2015, 7:50:27 AM6/14/15
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Hmm... That's exactly what I suspected myself.

The thing is - given our latest message exchange - I decided to make... a leap of faith and update my old, super-tweaked Ace code based, with the freshest Ace build possible (and then re-attach my modifications - none of which is Marker-related).

Now, here's the weirdest thing: I just copy-pasted your code in Kitchen Sink and it worked. And it also work with my local testing page. Could it have been that I was not testing it with an existing CSS class? That's really weird! I must have tried every possible variation of those 1-2 commands...

j...@doselect.com

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Dec 2, 2016, 8:25:06 AM12/2/16
to Ajax.org Cloud9 Editor (Ace)
Hey. I'm stuck with the same issue.

```
angular-v1.5.3.min.js:116 TypeError: r.range.clipRows is not a function
    at t.FontMetrics.r._emit.r._dispatchEvent (http://doselect.local:8000/static/dist/scripts/ace-v1.2.5.min.js:1:49966)
    at Array.forEach (native)
    at XMLHttpRequest.c (http://doselect.local:8000/static/dist/scripts/angular-raven-v2.3.0.min.js:2:3806) <div class="editor ng-pristine ng-untouched ng-valid ace_editor ace-tm" ui-ace="{onLoad:aceLoaded}" ng-model="code" ng-change="autoSave()" ng-show="runner.selectedTab==0" flex="" style="font-size: 15px; height: 300px;">
```

Any idea what exactly is wrong?

P.S: Two code samples. Both work well. How do you zero-in on the better sample? Here's How.

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