host: the core owns the event loop; every platform becomes a vtable of optional methods

1 files changed, 36 insertions, 36 deletions

diff --git a/test/snapshots/tagbottom.golden b/test/snapshots/tagbottom.golden
index 8a1222d3..36f89143 100644
--- a/test/snapshots/tagbottom.golden
+++ b/test/snapshots/tagbottom.golden
@@ -1,6 +1,6 @@
 == snap boot grid=100x30 cursor=7,2
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt                            Save New Del
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt                     Save New Newtty Del
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -30,7 +30,7 @@
 |
 |
 == snap on grid=100x30 cursor=7,1
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -59,10 +59,10 @@
 |    26 zzz
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt                            Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt                     Save New Newtty Del
 == snap off grid=100x30 cursor=7,2
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt                            Save New Del
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt                     Save New Newtty Del
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -92,7 +92,7 @@
 |
 |
 == snap tag-typed grid=100x30 cursor=60,29
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -121,9 +121,9 @@
 |    26 zzz
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 == snap look-bottom-tag grid=100x30 cursor=7,16
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -138,7 +138,7 @@
 |    12 lll
 |    13 mmm
 |    14 nnn
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -152,9 +152,9 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap body-cursor grid=100x30 cursor=9,5
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -169,7 +169,7 @@
 |    12 lll
 |    13 mmm
 |    14 nnn
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -183,9 +183,9 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap seam-noop grid=100x30 cursor=9,5
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -200,7 +200,7 @@
 |    12 lll
 |    13 mmm
 |    14 nnn
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -214,9 +214,9 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap seam-dragged grid=100x30 cursor=9,5
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -226,7 +226,7 @@
 |     7 ggg
 |     8 hhh
 |     9 iii
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -245,9 +245,9 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap gutter-click grid=100x30 cursor=9,4
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     2 bbb
 |     3 ccc
 |     4 ddd
@@ -257,7 +257,7 @@
 |     8 hhh
 |     9 iii
 |    10 jjj
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -276,9 +276,9 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap search-prompt grid=100x30 cursor=6,28
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     2 bbb
 |     3 ccc
 |     4 ddd
@@ -288,7 +288,7 @@
 |     8 hhh
 |     9 iii
 |    10 jjj
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -307,9 +307,9 @@
 |
 |
 |   /ZZ
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap leader grid=100x30 cursor=9,13
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     2 bbb
 |     3 ccc
 |     4 ddd
@@ -319,7 +319,7 @@
 |     8 hhh
 |     9 iii
 |    10 jjj
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -338,9 +338,9 @@
 |
 |
 |                                                                                                 SPC
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == snap cut-down grid=100x30 cursor=7,4
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -350,7 +350,7 @@
 |     7 mmm
 |     8 nnn
 |     9 ooo
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt *          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt *          bottom.txt            Save New Newtty Del
 |     1 ZZONE
 |     2 ZZTWO
 |
@@ -369,7 +369,7 @@
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                         Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/bottom.txt                  Save New Newtty Del
 == file cut-buffer
 aaa
 bbb
@@ -393,7 +393,7 @@ yyy
 zzz
 == end file
 == snap del-bottom-tag grid=100x30 cursor=7,4
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
 |     1 aaa
 |     2 bbb
 |     3 ccc
@@ -422,10 +422,10 @@ zzz
 |
 |
 |
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 == snap off-again grid=100x30 cursor=7,5
-|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
-|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt                   Save New Del
+|New Newcol Joincol Find Grep Help Changelog Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/tagbottom/cwd/top.txt          bottom.txt            Save New Newtty Del
 |     1 aaa
 |     2 bbb
 |     3 ccc