change spelling of centre to center: consistent with other man pages

and the name of the syntax elements being described; from tedu@

5 files changed, 9 insertions, 9 deletions

diff --git a/eqn.7 b/eqn.7
index ef817626..045c0a55 100644
--- a/eqn.7
+++ b/eqn.7
@@ -122,7 +122,7 @@ lambda, mu, nu, omega, omicron, phi, pi, psi, rho, sigma, tau, theta,
 upsilon, xi, zeta, DELTA, GAMMA, LAMBDA, OMEGA, PHI, PI, PSI, SIGMA,
 THETA, UPSILON, XI, inter (intersection), union (union), prod (product),
 int (integral), sum (summation), grad (gradient), del (vector
-differential), times (multiply), cdot (centre-dot), nothing (zero-width
+differential), times (multiply), cdot (center-dot), nothing (zero-width
 space), approx (approximately equals), prime (prime), half (one-half),
 partial (partial differential), inf (infinity), >> (much greater), <<
 (much less), \-> (left arrow), <\- (right arrow), +\- (plus-minus), !=
diff --git a/mandoc_char.7 b/mandoc_char.7
index dd948151..a8eab207 100644
--- a/mandoc_char.7
+++ b/mandoc_char.7
@@ -352,7 +352,7 @@ Mathematical:
 .It \e(-+    Ta \(-+        Ta minus-plus
 .It \e(+-    Ta \(+-        Ta plus-minus
 .It \e[t+-]  Ta \[t+-]      Ta plus-minus (text)
-.It \e(pc    Ta \(pc        Ta centre-dot
+.It \e(pc    Ta \(pc        Ta center-dot
 .It \e(mu    Ta \(mu        Ta multiply
 .It \e[tmu]  Ta \[tmu]      Ta multiply (text)
 .It \e(c*    Ta \(c*        Ta circle-multiply
diff --git a/mdoc.7 b/mdoc.7
index 6a4c738d..05f13e24 100644
--- a/mdoc.7
+++ b/mdoc.7
@@ -777,7 +777,7 @@ The
 must be one of the following:
 .Bl -tag -width 13n -offset indent
 .It Fl centered
-Produce one output line from each input line, and centre-justify each line.
+Produce one output line from each input line, and center-justify each line.
 Using this display type is not recommended; many
 .Nm
 implementations render it poorly.
@@ -822,7 +822,7 @@ which has no effect;
 .Cm right ,
 which justifies to the right margin; or
 .Cm center ,
-which aligns around an imagined centre axis.
+which aligns around an imagined center axis.
 .It
 A macro invocation, which selects a predefined width
 associated with that macro.
@@ -3281,7 +3281,7 @@ The following features are unimplemented in mandoc:
 .Fl offset Cm center
 and
 .Fl offset Cm right .
-Groff does not implement centred and flush-right rendering either,
+Groff does not implement centered and flush-right rendering either,
 but produces large indentations.
 .El
 .Sh SEE ALSO
diff --git a/roff.7 b/roff.7
index 98957c6e..12a016b8 100644
--- a/roff.7
+++ b/roff.7
@@ -402,7 +402,7 @@ language defines many more requests not implemented in
 .Ss \&ad
 Set line adjustment mode.
 This line-scoped request is intended to have one argument to select
-normal, left, right, or centre adjustment for subsequent text.
+normal, left, right, or center adjustment for subsequent text.
 Currently, it is ignored including its arguments,
 and the number of arguments is not checked.
 .Ss \&am
diff --git a/tbl.7 b/tbl.7
index 99b50f20..97b209a1 100644
--- a/tbl.7
+++ b/tbl.7
@@ -50,7 +50,7 @@ macro tags, whose precise syntax is documented in
 Tables consist of a series of options on a single line, followed by the
 table layout, followed by data.
 .Pp
-For example, the following creates a boxed table with digits centred in
+For example, the following creates a boxed table with digits centered in
 the cells.
 .Bd -literal -offset indent
 \&.TS
@@ -199,7 +199,7 @@ Layout lines may also be separated by a comma.
 Each layout cell consists of one of the following case-insensitive keys:
 .Bl -tag -width 2n
 .It Cm c
-Centre a literal string within its column.
+Center a literal string within its column.
 .It Cm r
 Right-justify a literal string within its column.
 .It Cm l
@@ -279,7 +279,7 @@ and
 are ignored by
 .Xr mandoc 1 .
 .Pp
-For example, the following layout specifies a centre-justified column of
+For example, the following layout specifies a center-justified column of
 minimum width 10, followed by vertical bar, followed by a left-justified
 column of minimum width 10, another vertical bar, then a column using
 bold font justified about the decimal point in numbers: