I looked into the HTML source ... could it be that "\t" is translated to an (unbalanced) "<\td>" in the cb sidebar and the rest is chopped?
For reproduction, posting "test\ttest" produces:
¹) discussion posts don't seem to preserve tab in inline <c>code</c>, the HTML here will show test test
In reply to CB bug: cutting off text after TAB by LanX
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |