连续的空白符会被合并，换行符会被当作空白符来处理。换行在填充「行框盒子(line boxes)」时是必要。
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+和 normal 一样，连续的空白符会被合并。但文本内的换行无效。
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+连续的空白符会被保留。在遇到换行符或者"br"元素时才会换行
+Life is full of confusing and disordering Particular time, +a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , +the life is hard to avoid delicacy and stiffness No enthusiasm forever, +No unexpected happening of surprising and pleasing So, +only silently ask myself in mind Next happiness, whenwill come?
+连续的空白符会被保留。在遇到换行符或者"br"元素，或者需要为了填充「行框盒子(line boxes)」时才会换行。
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+连续的空白符会被合并。在遇到换行符或者"br"元素，或者需要为了填充「行框盒子(line boxes)」时会换行。
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+与 pre-wrap的行为相同，除了： + 1.任何保留的空白序列总是占用空间，包括在行尾。 + 2.每个保留的空格字符后都存在换行机会，包括空格字符之间。 + 3.这样保留的空间占用空间而不会挂起，从而影响盒子的固有尺寸（最小内容大小和最大内容大小）
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+规定应该从父元素继承 white-space 属性的值。
+Life is full of confusing and disordering Particular time, a particular location, Do the arranged thing of tenmillion time in the brain, Step by step , the life is hard to avoid delicacy and stiffness No enthusiasm forever,No unexpected happening of surprising and pleasing So, only silently ask myself in mind Next happiness, whenwill come?
+ +R：
+G：
+B：
+ezARe2!g2GQy|mXE|4b0EpYki8w=T+1Tl3-P@h<{r-@S
z^gPr>ZtQ&{tEJe8JAc>r=?jM^Pinc`OZcV1M9*dVs$;k~ky$5|@px#CSZv8lWeP5>
z+G9N;FEJd&zwaGt$2LOa{5