[PATCH 15/17] man/curs_getch.3x: Revise (7/8).

[G. Branden Robinson]

Revise "EXTENSIONS" section.

Content:
* Document availability of, and summarize purpose of, ESCDELAY global
  variable.
---
 man/curs_getch.3x | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/man/curs_getch.3x b/man/curs_getch.3x
index 1fc812d21..ad79506f9 100644
--- a/man/curs_getch.3x
+++ b/man/curs_getch.3x
@@ -575,6 +575,19 @@ .SH NOTES
 .B \%mvwgetch
 may be implemented as macros.
 .SH EXTENSIONS
+In
+.I \%ncurses,
+when a window's \*(``no time-out\*('' mode is
+.I not
+set,
+the
+.B \%ESCDELAY
+variable configures the duration of the timer used to disambiguate a
+function key character sequence from a series of key strokes beginning
+with ESC typed by the user;
+see
+\fB\%curs_variables\fP(3X).
+.PP
 \fB\%has_key\fP was designed for \fB\%ncurses\fP(3X),
 and is not found in SVr4
 .IR curses ,
-- 
2.30.2

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