This is no bug. Since Firefox 3.0 the CSS 2.1 standardized pre-wrap value is available. Support for -moz-pre-wrap was thus dropped from Firefox 3.1 in bug 433065.
If it's necessary to keep compatible to Firefox versions prior to 3.0, please use both values, e.g.:
Thanks for reporting.
This is no bug. Since Firefox 3.0 the CSS 2.1 standardized pre-wrap value is available. Support for -moz-pre-wrap was thus dropped from Firefox 3.1 in bug 433065.
If it's necessary to keep compatible to Firefox versions prior to 3.0, please use both values, e.g.:
white-space: -moz-pre-wrap;
white-space: pre-wrap;