I understand, in japanese, the long dash (ー) means the sound is lengthened, just as axioplase said. I’m a bit new to japanese and i’m a little confused about what they are used for. Is it just a way to mark.
(i'm sorry if it is a duplicate, i tried to search unsuccessfully) after 変わりつつある: 颜文字表情符号大全(带注解),可复制常用的颜文字:【汗】 σ ( ° °|||)︴【不屑】 ( ̄_, ̄ )【愣住】 (°ー°〃)【擦】 凸 (艹皿艹 )【挖鼻屎】 (* ̄rǒ ̄)【哼哼】 o ( ̄ヘ ̄o#)【可. ー是表示的前面的 片假名 是长音符号。长音符号(macron; ̄ ), 源自 希腊语 μακρός (makros), 意为“巨大”,形为 ¯ ,原意为指示响音成为长响音。相反为短音符号 ˘,用以指示短音的响音.
教育カリキュラムもつくり替えるー。 followed by a sentence stating that this has been the authors theory for a while and they have repeated it countless times.