[article C++ Code Blocks
[quickbook 1.5]
]

    #include <some_header>
        #include "another_header.hpp"
    #   define A_MACRO value
    #define stringize(hello) #hello
    // No escape
    /* No escape */
    /* No escape
     * with newlines
     */
    // In Header: <``[@boost:/boost/optional/optional.hpp boost/optional/optional.hpp]``>
    /* In Header: <``[@boost:/boost/optional/optional.hpp boost/optional/optional.hpp]``> */
    /* Multiple escapes: ``/italic/``
     * ``_underline_````*bold*``
     */
    /* Token pasting: */ a##b

A badly formed comment:

    /* Oh dear

A badly formed comment with an escape:

    /* Oh dear ``*bold*``

Just some code:

    int main() {
        constexpr char32_t x = 'a';
        const auto y = x - ' ';
    }