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@@ -196,7 +196,10 @@ an edit land. Modes are 0644/0666, 0444 read-only, 0222 write-only.
## look and exec
-A line written to `look` is a right click on it:
+A line written to `look` is a right click on it, on the line as written:
+its leading blanks are its own (` return x` finds that indented line, and
+a diff's blank context line ` ` is a look too); only its newline and `\r`
+go. An `exec` line's blanks at either end are trimmed.
- a path opens the file (the pane already showing it, if any); `file:12`
selects line 12, newline included; `file:12:5` puts the caret at line 12,