.h.code x

Where x is a string with embedded Tab characters, returns the string with alternating segments marked up as

q).h.code "foo\tbar"
"foo <code><nobr>bar</nobr></code>"
q).h.code "foo\tbar\tabc\tdef"
"foo <code><nobr>bar</nobr></code> abc <code><nobr>def</nobr></code>"
q).h.code "foo"
"foo"