[PATCH 013/177] man/curs_add_wch.3x: Expand "BMP" abbreviation.

[G. Branden Robinson]

Also, some terminal emulators render Unicode characters outside the BMP
just fine--like xterm.  😼
---
 man/curs_add_wch.3x | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/man/curs_add_wch.3x b/man/curs_add_wch.3x
index 0826208af..37a842a92 100644
--- a/man/curs_add_wch.3x
+++ b/man/curs_add_wch.3x
@@ -492,9 +492,9 @@ .SH PORTABILITY
 But there are several possibilities, all with problems.
 .IP
 Unicode 6.0 (2010) does provide two lantern symbols: U+1F383 and U+1F3EE.
-Those were not available in 2002, and are irrelevant since
-they lie outside the BMP and as a result are not generally available
-in terminals.
+Those were not available in 2002,
+and are irrelevant since they lie outside the Basic Multilingual Plane
+and as a result are unavailable on many terminals.
 They are not storm lanterns, in any case.
 .IP
 Most \fIstorm lanterns\fP have a tapering glass chimney
-- 
2.30.2

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