suckless style: don't use '//' for comments

use loop to call arrangelayer

zwlr_layer_shell_v1_layer are ordered by bottom-most first so we can
just use a loop from 3 to 0

Merge pull request #196 from noocsharp/main

die on allocation failure

use wlr_box for previous geom

don't warn about unused result

Closes: #186

replace tabs by spaces in alignment

fix crash when the last monitor is disconnected

update URL to wlroots project (GitHub->GitLab)

Merge pull request #187 from fauxmight/new-clients-printstatus

Newly launched or closed clients ALWAYS generate status update

Merge pull request #149 from xi/fix-grabc-unmap

reset cursor mode when grabc is unmapped

remove typedef `Decoration`

die on allocation failure

Merge pull request #181 from Armael/fix-client_set_tiled

fix client_set_tiled which is currently ignoring its "edges" argument

Merge pull request #160 from Humm42/closepipes

-s: close unused fds

Merge pull request #189 from fauxmight/shift-6-is-asciicircum

Shift+6 generates XKB_KEY_asciicircum

Shift+6 generates XKB_KEY_asciicircum

fix client_set_tiled, which was ignoring its "edges" argument

Newly launched or closed clients ALWAYS generate status update

Prior to this change, if a client whose tag(s) are not currently
selected is launched or killed, no update to status was printed and
status bars being fed by printstatus() did not update newly active
or newly inactive (but unselected) tags.

Merge branch 'wlroots-next'

wlroots 0.15.0 was released

Merge branch 'main' of github:djpohly/dwl