Punctuation the marks hierarchically, in terms of weight". Cecil Hartley's poem identifies their relative values: <poem style=margin:4em;> The stop point out, with truth, the time of pause A sentence doth require at ev'ry clause. At ev'ry comma, stop while "one" you count; At semicolon, "two" is the amount; A colon doth require the time of "three"; The period "four", as learned men agree. </poem> The use of punctuation was not standardised until after the invention of printing. According to the 1885 edition of "The American Printer", the importance of punctuation was noted in various sayings by children such as: <poem style=margin:4em;>
Punctuation Rs. 20/- or Rs. 20/= implies 20 rupees whole. Thai did not use punctuation until the adoption of punctuation from the West in the 20th century. Blank spaces are more frequent than full stops or commas. "Further information: Armenian punctuation, Chinese punctuation, Hebrew punctuation, Japanese punctuation and Korean punctuation." In 1966, the French author Hervé Bazin proposed a series of six innovative punctuation marks in his book "Plumons l'Oiseau" ("Let's pluck the bird", 1966). These were: An international patent application was filed, and published in 1992 under Work Order (WO) number WO9219458, for two new punctuation marks: the "question comma"