A Redmine plugin that replaces the default syntax highlighting engine (CodeRay) with a JavaScript based syntax highlighter.
For standalone resource loading update source from www.redmine.org/issues/3382#note-37
Next, use Rails’ handy-dandy plugin installer to grab this plugin:
script/plugin install git://github.com/ncrash/redmine_js_syntax_highlighter.git
Alternatively, you can just copy content of redmine_js_syntax_highlighter directory into vendor/plugins.
Next, standalone resource installation:
cp <REDMINE_PATH>/vendor/plugins/redmine_js_syntax_highlighter/assets/scripts/* <REDMINE_PATH>/public/javascripts/ cp <REDMINE_PATH>/vendor/plugins/redmine_js_syntax_highlighter/assets/styles/* <REDMINE_PATH>/public/stylesheets/
Additionally, Fix up owner Permission issue
chown -R redmineui.redmine javascripts/ stylesheets/