[PATCH 073/100] man/ncurses.3x: Revise "Error Checking" subsection.

[G. Branden Robinson]

Style:
* Tighten wording.

Markup:
* Break input lines after commas and around multi-word parentheticals.
* Favor man(7) font style macros over *roff font selection escape
  sequences, except for man page cross references (because
  man/make_sed.sh recognizes only certain patterns when rewriting such
  cross references).
---
 man/ncurses.3x | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/man/ncurses.3x b/man/ncurses.3x
index 546cc733d..7ff80b265 100644
--- a/man/ncurses.3x
+++ b/man/ncurses.3x
@@ -1945,14 +1945,21 @@ .SS "Error Checking"
 In many cases, X/Open Curses is vague about error conditions,
 omitting some of the SVr4 documentation.
 .PP
-Unlike other implementations, this one checks parameters such as pointers
-to \fI\%WINDOW\fP structures to ensure they are not null.
-The main reason for providing this behavior is to guard against programmer
-error.
+Unlike other implementations,
+.I \%ncurses
+checks pointer parameters,
+such as those to
+.I \%WINDOW
+structures,
+to ensure that they are not null.
+This is done primarily to guard against programmer error.
 The standard interface does not provide a way for the library
-to tell an application which of several possible errors were detected.
-Relying on this (or some other) extension will adversely affect the
-portability of curses applications.
+to tell an application which of several possible errors occurred.
+Relying on this
+(or some other)
+extension adversely affects the portability of
+.I curses
+applications.
 .SS "Padding Differences"
 In historic curses versions, delays embedded in the capabilities \fBcr\fP,
 \fBind\fP, \fBcub1\fP, \fBff\fP and \fBtab\fP activated corresponding delay
-- 
2.30.2

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