About attachment:
c.png Before resource pack change.
a.png After change but before restart.
b.png Keep changed and after restart.
ltw.zip The resource pack I use.
Maybe you didn't change the character data in "font/glyph_sizes.bin"? Or "Force Unicode Font" option is not ON?
Sorry for my short description. I'll take care of it next time (if do).
And the words' position is incorrect. It seems like there are some spaces after these words.