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https://issues.apache.org/jira/browse/WICKET-2795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12848932#action_12848932
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Igor Vaynberg commented on WICKET-2795:
---------------------------------------
btw, the point behind the escape sequence is to simply allow $ to appear
anywhere in the contents. for example a template can be
$$${amountInDollars}
> Wicket removes first dollar from $$ markups with TextTemplate's interpolate()
> while $$ are commonly used in JavaScript libraries
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: WICKET-2795
> URL: https://issues.apache.org/jira/browse/WICKET-2795
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.6
> Environment: Windows XP SP3, Apache Jetty 6.1.22
> Reporter: Tuukka Mustonen
> Assignee: Igor Vaynberg
>
> Many JavaScript libraries such as jQuery and MooTools use $$ to find out
> arrays of elements. Having $$('blaa') is currently replaced by Wicket into
> $('blaa'). Wanted behavior is to replace all $${...} with ${...}, not $$ with
> $.
> Possible fix (don't really have time to look at this atm):
> org.apache.wicket.util.template.VariableInterpolator:
> Row 111:
> while ((start = lowerPositive(string.indexOf("$$", pos),
> string.indexOf("${", pos))) != -1)
> {
> // Append text before possible variable
> buffer.append(string.substring(pos, start));
> if (string.charAt(start + 1) == '$')
> {
> buffer.append("$");
> pos = start + 2;
> continue;
> }
> ...
> Shoud be changed to:
> while ((start = lowerPositive(string.indexOf("$${", pos),
> string.indexOf("${", pos))) != -1)
> {
> // Append text before possible variable
> buffer.append(string.substring(pos, start));
> if (string.charAt(start + 1) == '$' &&
> string.charAt(start + 2) == '{')
> {
> buffer.append("${");
> pos = start + 3;
> continue;
> }
> ...
> (no JIRA markup for rich formatting available? uh)
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