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Add Tips section to the Readme.

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Lifepillar
2016-05-22 00:05:08 +02:00
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@@ -65,3 +65,28 @@ The following options were not available in the original Solarized:
These options may be used with any `solarized8_*` variant. These options may be used with any `solarized8_*` variant.
## Tips
If you want to quickly toggle between dark and light background, you may define
a mapping like the following:
```
nnoremap <leader>B :<c-u>exe "colors" (get(g:, "colors_name", "") =~# "dark"
\ ? substitute(g:colors_name, 'dark', 'light', '')
\ : substitute(g:colors_name, 'light', 'dark', '')
\ )<cr>
```
To tune the contrast level you may use the following snippet:
```
fun! Solarized8Contrast(delta)
let l:schemes = map(["_low", "_flat", "", "_high"], '"solarized8_".(&background).v:val')
exe "colors" l:schemes[((a:delta+index(l:schemes, g:colors_name)) % 4 + 4) % 4]
endf
nmap <leader>- :<c-u>call Solarized8Contrast(-v:count1)<cr>
nmap <leader>+ :<c-u>call Solarized8Contrast(+v:count1)<cr>
```