[LON-CAPA-users] Full support for Right-To-Left languages?

Philip Flammer pflammer at mines.edu
Wed Jun 6 08:44:58 EDT 2018

I wonder if there is a systematic way to inject some global CSS that could appropriately override such default behavior.

On Jun 5, 2018, at 7:36 AM, Itay <itayf at nospammail.net<mailto:itayf at nospammail.net>> wrote:


We are interested in developing content in Hebrew which is a Right-to-left (RTL) language.

We have authored several test problems in order to see the extent of RTL support.

To achieve correct directionality of the text within sentences we have used the <span> tags with the RTL attribute.

However, this does not provide good support for RTL alignment of paragraphs.

For example, in a radiobutton response, the radio buttons appear on the wrong side, see minimal example below.

We haven’t found in the manuals any instructions for authoring content in RTL languages.

We wonder if full RTL support is available for Lon-Capa content and interface (including menus, etc.).

If such support is not available built-in, we would appreciate any information as regard to implementing such support.

Minimal examples follow below.
(Note: this message was sent to the developers' list but did not receive any response.  So we try our luck here.)
Thank you in advance.

Itay Furman & Yair Naveh
Jerusalem College of Engineering, Israel

  <!-- Test full RTL support : demonstrate wrong placement of submission field. -->
  <script type="loncapa/perl">
    $a=&random(1,10,1);  $b=&random(1,10,1);  $c=$a+$b;
  <startouttext />
    <span dir="rtl">חשבו: כמה זה $a + $b?</span>
  <endouttext />
  <numericalresponse answer="$c">
    <textline />

  <!-- Test full RTL support :
       demonstrate wrong placement of radiobuttions, and wrong alignment of margins. -->
  <span dir="rtl">
    <startouttext />
    כמה זה 1+1?
    <endouttext />
    <radiobuttonresponse max="10" randomize="yes">
      <foil location="random" value="true" name="foil1">
        <startouttext />2 (זוהי תשובה נכונה).<endouttext />
      <foil location="random" value="false" name="foil2">
        <startouttext />4 (זוהי תשובה שקרית).<endouttext />
      <foil location="random" value="false" name="foil3">
        <startouttext />5.5 (זוהי תשובה שקרית).<endouttext />

  <!-- Test full RTL support : demonstrates correct mixture of RTL and LTR pieces. -->
  <startouttext />
  <span dir="rtl">
    לפני המשוואה  <!-- This text precedes the equation (on the right). -->
    <m>\(c = a + b \)</m>
    אחרי המשוואה. <!-- This text follows the equation (on the left). -->
    <br />
    לפני האנגלית, <!-- This text precedes the english text. -->
    english text between hebrew text,
    אחרי האנגלית. <!-- This text follows the english text. -->
  <endouttext />

Done minimal examples.

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