6.9.2 Greatest hits from previous weeks

6.9.2.1 Table with multiple lines in some cells
6.9.2.2 How to add an extra level of sections with headings below \subsubsection
6.9.2.3 Remove ugly borders around clickable cross-references and hyperlinks
6.9.2.4 How to change color for a block of texts?
6.9.2.5 How can I get bold math symbols?
6.9.2.6 Showcase of beautiful typography done in TeX & friends
6.9.2.7 Change image size
6.9.2.1 Table with multiple lines in some cells

https://tex.stackexchange.com/landing/r/digest?cta=question&id=40561

What is the easiest way to have 2 lines in some of the cells in a table? 
The only way I can think right now is to actually have 2 separate rows (without the line in the middle) and use \multirow on  ... 
[tables]
 
asked by Grzenio https://tex.stackexchange.com/landing/r/digest?cta=user&id=3329 128 votes
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 119 votes
6.9.2.2 How to add an extra level of sections with headings below \subsubsection

https://tex.stackexchange.com/landing/r/digest?cta=question&id=60209

I have a document which requires many levels of sectioning. I have sections, subsections and subsubsections, but require one more level below that. I can't change the sections to be parts and move  ... 
[sectioning] [sections-paragraphs]
 
asked by robintw https://tex.stackexchange.com/landing/r/digest?cta=user&id=495 259 votes
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 224 votes
6.9.2.3 Remove ugly borders around clickable cross-references and hyperlinks

https://tex.stackexchange.com/landing/r/digest?cta=question&id=823

I know that I can use hyperref to make cross-references and hyperlinks clickable.  That makes the clickable areas outlined in fluorescent green, however.  How can I make the green boxes go away? 
[hyperref] [color] [boxes] [links]
 
asked by Vebjorn Ljosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=35 756 votes
answered by meep.meep https://tex.stackexchange.com/landing/r/digest?cta=user&id=3735 759 votes
6.9.2.4 How to change color for a block of texts?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=17104

I am editing a LaTeX paper with Emacs. Sometimes I want to make a block of texts less obvious (or less important to see). Instead of totally hiding them, they should still be there. Is there an easy  ... 
[color]
 
asked by SoftTimur https://tex.stackexchange.com/landing/r/digest?cta=user&id=5110 236 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 276 votes
6.9.2.5 How can I get bold math symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=595

To make Latin-letter variables bold I can use e.g. \mathbf{a}, but while putting Greek letters or symbols such as \nabla inside \mathbf doesn't cause any errors or warnings, it also doesn't do  ... 
[fonts] [math-mode] [symbols] [bold]
 
asked by Michael Underwood https://tex.stackexchange.com/landing/r/digest?cta=user&id=32 441 votes
answered by Mark Meckes https://tex.stackexchange.com/landing/r/digest?cta=user&id=206 383 votes
6.9.2.6 Showcase of beautiful typography done in TeX & friends

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1319

If you were asked to show examples of beautifully typeset documents in TeX & friends, what would you suggest? Preferably documents available online (I'm aware I could go to a bookstore and find  ... 
[typography] [big-list] [examples]
 
asked by wishihadabettername https://tex.stackexchange.com/landing/r/digest?cta=user&id=564 836 votes
answered by a^\204\235aphink https://tex.stackexchange.com/landing/r/digest?cta=user&id=951 544 votes
6.9.2.7 Change image size

https://tex.stackexchange.com/landing/r/digest?cta=question&id=64836

I'm trying to change the image size (make it look smaller than the original). 
I tried with the next code but the image still shows at its original size. 
\begin{figure}[h!] 
\centering 
... 
[graphics]
 
asked by Enrique https://tex.stackexchange.com/landing/r/digest?cta=user&id=16973 70 votes
answered by DJJerome https://tex.stackexchange.com/landing/r/digest?cta=user&id=2863 66 votes