1
Syntax
\arrowname{super-script}
\arrowname[sub-script]{super-script}
arrowname is one of known arrow command, for example, xlongequal, xLongleftarrow,. . .
2
Examples
\xlongequal: A=========super-script sub-script Z (1) \xLongleftarrow: A⇐=======super-script sub-script Z (2) \xLongrightarrow: A=======⇒super-script sub-script Z (3) \xLongleftrightarrow: A⇐======⇒super-script sub-script Z (4) \xLeftrightarrow: A⇐======⇒super-script sub-script Z (5) \xlongleftrightarrow: A←−−−−−−→super-script sub-script Z (6) \xlongrightarrow: A−−−−−−−→super-script sub-script Z (7) \xleftrightarrow: A←−−−−−−→super-script sub-script Z (8) \xlongleftarrow: A←−−−−−−−super-script sub-script Z (9)(amsmath) \xleftarrow: A←−−−−−−−super-script
sub-script Z (10)
(amsmath) \xrightarrow: A−−−−−−−→super-script