Given a Code block containing the following:
When line numbers are enabled, the result is unexpected:

Notice how the line number 1 is appearing twice on the same line.
Originally reported at https://wordpress.org/support/topic/bug-when-selecting-java-show-line-numbers/
Given a Code block containing the following:
When line numbers are enabled, the result is unexpected:
Notice how the line number 1 is appearing twice on the same line.
Originally reported at https://wordpress.org/support/topic/bug-when-selecting-java-show-line-numbers/