summaryrefslogtreecommitdiffstats
path: root/doc
diff options
context:
space:
mode:
authorpooryorick <com.digitalsmarties@pooryorick.com>2016-10-05 04:53:49 (GMT)
committerpooryorick <com.digitalsmarties@pooryorick.com>2016-10-05 04:53:49 (GMT)
commit69e7f1b52d7d59ea5b1b6cb027c8fbdc88b9d38d (patch)
treed65b7e1d01b9ac06a8d98a038da23b397a612a65 /doc
parent2655e9896fe938d39815b319a328f7dcfe1651bc (diff)
downloadtcl-69e7f1b52d7d59ea5b1b6cb027c8fbdc88b9d38d.zip
tcl-69e7f1b52d7d59ea5b1b6cb027c8fbdc88b9d38d.tar.gz
tcl-69e7f1b52d7d59ea5b1b6cb027c8fbdc88b9d38d.tar.bz2
Fix typos in expr documentation.
Diffstat (limited to 'doc')
-rw-r--r--doc/expr.n22
1 files changed, 11 insertions, 11 deletions
diff --git a/doc/expr.n b/doc/expr.n
index 7458129..89c982c 100644
--- a/doc/expr.n
+++ b/doc/expr.n
@@ -17,13 +17,13 @@ expr \- Evaluate an expression
.BE
.SH DESCRIPTION
.PP
-Concatenates \fIarg\fRs, separated by a space, into an expresion, and evaluates
+Concatenates \fIarg\fRs, separated by a space, into an expression, and evaluates
that expression, returning its value.
The operators permitted in an expression include a subset of
the operators permitted in C expressions. For those operators
common to both Tcl and C, Tcl applies the same meaning and precedence
as the corresponding C operators.
-The value of an expressions is often a numeric result, either an integer or a
+The value of an expression is often a numeric result, either an integer or a
floating-point value, but may also be a non-numeric value.
For example, the expression
.PP
@@ -33,7 +33,7 @@ For example, the expression
.PP
evaluates to 14.2.
Expressions differ from C expressions in the way that
-operands are specified. Also, expressions support
+operands are specified. Expressions also support
non-numeric operands, string comparisons, and some
additional operators not found in C.
.PP
@@ -199,10 +199,10 @@ Logical OR. If both operands are false, the result is 0, or 1 otherwise.
If-then-else, as in C. If \fIx\fR is false , the result is the value of
\fIy\fR. Otherwise the result is the value of \fIz\fR.
.PP
-The exponentiation operator promotes types in the same way as the multiply
-and divide operators, and the result is is the same as the result of
+The exponentiation operator promotes types in the same way that the multiply
+and divide operators do, and the result is is the same as the result of
\fBpow\fR.
-exponentiation groups right-to-left within a precedence level. Other binary
+Exponentiation groups right-to-left within a precedence level. Other binary
operators group left-to-right. For example, the value of
.PP
.CS
@@ -217,9 +217,9 @@ is 0, while the value of
.PP
is 512.
.PP
-\fB&&\fR, \fB||\fR, and \fB?:\fR feature
+As in C, \fB&&\fR, \fB||\fR, and \fB?:\fR feature
.QW "lazy evaluation" ,
-just as in C, which means that operands are not evaluated if they are
+which means that operands are not evaluated if they are
not needed to determine the outcome. For example, in
.PP
.CS
@@ -258,7 +258,7 @@ tcl::mathfunc::sin [\fBexpr\fR {$x+$y}]
.CE
.PP
\fBtcl::mathfunc::sin\fR is resolved as described in
-\fBNAMESPACE RESOLUTION\fR in the \fBnamespace\fR documentation. Given the
+\fBNAMESPACE RESOLUTION\fR in the \fBnamespace\fR(n) documentation. Given the
default value of \fBnamespace path\fR, \fB[namespace
current]::tcl::mathfunc::sin\fR or \fB::tcl::mathfunc::sin\fR are the typical
resolutions.
@@ -288,8 +288,8 @@ Any code that relied on these implicit truncations should instead call
\fBint()\fR or \fBwide()\fR, which do truncate.
.PP
Internal floating-point computations are
-performed using the C type \fIdouble\fR.
-When converting a string to floating-point, exponent overflow is
+performed using the \fIdouble\fR C type.
+When converting a string to floating-point value, exponent overflow is
detected and results in the \fIdouble\fR value of \fBInf\fR or
\fB\-Inf\fR as appropriate. Floating-point overflow and underflow
are detected to the degree supported by the hardware, which is generally