Make the figure caption bold or customize by Caption package.
Recommended/popular LaTeX packages.
1. 9 Essential packages.
2. 10+ packages.
3. Discussion in TeX StackExchange forum.
Figure out LaTeX symbol commands by drawing the symbol.
Remove an erroneous revision
Let’s suppose revision 3 introduced an error, then
hg backout -r 3
will remove the errors introduced in the revision.
Redo the last substitute or command by : in Vim
For more repeats, it can be done by