term_pane + builtins: terminal pane work, builtins/config additions, snapshots

1 files changed, 12 insertions, 6 deletions

diff --git a/src/tutor.txt b/src/tutor.txt
index 5a8335d3..193ef29c 100644
--- a/src/tutor.txt
+++ b/src/tutor.txt
@@ -139,9 +139,13 @@
  "Save", so a bare `:` then Tab saves. `:w<Tab>` is w
  onto "Save", Tab to execute it, and you land back in the body where you
  left off (the chord keys are the same here as anywhere else; `i` if you
- would rather type a command than walk to one). Everything else — a
- terminal, an image, a PDF, an output buffer like "+Search" — shows the
- plain "New Del", because there is no file behind it to Save. An image
+ would rather type a command than walk to one). A terminal shows
+ "New Del Filter": Filter starts on, is local to that terminal, and
+ projects every rendered foreground and background ANSI, 256-colour and
+ truecolour value through keys made from the current Pardes theme; run it
+ to restore the program's original colours.
+ Images, PDFs, and output buffers like "+Search" show the plain "New Del",
+ because there is no file behind them to Save. An image
  tag leads with "img" and a PDF's with the word "pdf", its page out of
  the count, and its three commands each preceded by its current setting
  (part 4.1) — all of it live chrome, like the path.
@@ -187,7 +191,8 @@
  wear the one you stopped on. The bar holds only what you reach for
  often — the rest of the builtins are words you execute and keys you
  press. Nearly every one has a KEY PATH under SPC (part 3.13): "Colors"
- (the syntax/ansi recolor) is SPC t c, the native GUI scene effects are
+ (the global syntax/ANSI master switch) is SPC t c; a terminal's Filter
+ setting stays remembered while Colors is off. The native GUI scene effects are
  SPC t r/R/g, panel transitions are SPC a s/z/d/a/v, and SPC ? lists the lot.
  Right-click a directory in any body to open a terminal there.
 
@@ -1153,8 +1158,8 @@ abc
                 select-then-act: middle-drag, or v/x then Tab
                 chords: 1-2 cut  1-3 paste  (both in one hold = snarf)
                 2-1 = middle-exec with the left selection as argument
-                file tag = path + "Save New Del"; everything else,
-                          output buffers included, shows "New Del"
+                file tag = path + "Save New Del"; terminal = cwd +
+                          "New Del Filter"; other panes show "New Del"
                 top bar = New Newcol Find Grep Help Tutor Dump ... Debug Kill
                           (keyboard: k off the topmost tagline)
  WEB TOUCH:     one-finger tap = LOOK; drag = natural scroll
@@ -1164,6 +1169,7 @@ abc
  TTY:           a terminal IS a pane;  Ctrl-b (or Shift-Esc) toggles the shell,
                 landing its cursor where you navigated (prompt start if
                 the input is empty, mid-text otherwise)
+                Filter in its tag toggles a pane-local, theme-keyed palette
  KEYS (helix):  h j k l  w b e  0 $ ^  gg ge  f F t T  v x X  d c y p
                 i a I A o O   u undo  U redo   Enter=look  Tab=execute
                 w b e f F t T SELECT what they cross, so `i` after one