Topic: Bug: In some cases backslash disappears.

Bug overview description.
In some cases backslash disappears. For example,verbatim, hisher eats away backslash.
What part(s) of the site page(s) are affected?
forum text editor
What is the expected behavior?
Consistent behavior. Either is it is treated normally, or need be escaped?
What actual behavior is given instead?
In front of h \ doesn't appear. \a\b\c\d\e\f\g\h\i\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
Time of incident (if applicable).
now
Can you reproduce the bug every time?
yes
What steps did you take to replicate this bug?
Errors or other messages returned (if any).

Updated by Furrin Gok