| PHP | This user is an expert PHP programmer. |
| SVG | This user converts raster images to SVG markup. |
| CSS | This user is an expert CSS user. |
| JS | This user can program in JavaScript. |
| SQL | This user is an advanced SQL user. |
| PCRE | This user is a advanced Perl Regular Expression user. |
| *nix | This user is a advanced Linux, BSD and Unix user. |
| {{wiki}} | This user can write using MediaWiki syntax. |
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