Unsupported titles/`vert`

Description
A vertical line.

Symbol

 * 1)  Such that; having the property that.
 * $$\lbrace x\in\mathbb{R}|x>0\rbrace$$
 * 1) * 2006, K. Chung et al., Bifurcation analysis of a two-degree-of-freedom aeroelastic system with freeplay structural nonlinearity by a perturbation-incremental method, Journal of Sound and Vibration.
 * According to the three linear branches of the bilinear function for a freeplay model, the phase space $$X \in R^8$$ can be divided into three regions, $$R_i (i = 1,2,3 )$$, where each corresponds to a linear system:
 * $$X' = AX + F_1$$ in $$R_1 = \{X \in R^8|x_1 < \alpha_f \} $$
 * 1)  Restricted to.
 * 2)  Evaluated at.
 * $$x+2|_{x=1}=3$$
 * 1)  Conditional probability.
 * If I was counting screws, for example, and using the tally mark system, I'd lay out the list:
 * Phillips head, 1/2"  |||
 * Phillips head, 3/4"  ||
 * Phillips head, 1"     ||||
 * 1)  IPA Unicode 0x007C.svg
 * °N, °W
 *  matches "abc" or "def".
 * If I was counting screws, for example, and using the tally mark system, I'd lay out the list:
 * Phillips head, 1/2"  |||
 * Phillips head, 3/4"  ||
 * Phillips head, 1"     ||||
 * 1)  IPA Unicode 0x007C.svg
 * °N, °W
 *  matches "abc" or "def".
 * 1)  IPA Unicode 0x007C.svg
 * °N, °W
 *  matches "abc" or "def".
 * °N, °W
 *  matches "abc" or "def".
 * °N, °W
 *  matches "abc" or "def".
 *  matches "abc" or "def".

Usage notes
The IPA symbol is intended to be typeset in bold typeface, and is presented that way in the official IPA symbol charts.