Fixed some formatting of single quotes and backticks.

Fixed some formatting of single quotes and backticks.

src/zfa.adoc

@@ -75,7 +75,7 @@ The set of 32 constants was chosen by examining floating-point
 libraries, including the C standard math library, and to optimize
 fixed-point to floating-point conversion.
 
-Entries 8–22 follow a regular encoding pattern. No entry sets mantissa
+Entries 8-22 follow a regular encoding pattern. No entry sets mantissa
 bits other than the two most significant ones.
 ====
 
@@ -133,7 +133,7 @@ operations.
 
 The FROUND.S instruction rounds the single-precision floating-point
 number in floating-point register _rs1_ to an integer, according to the
-rounding mode specified in the instruction’s _rm_ field. It then writes
+rounding mode specified in the instruction's _rm_ field. It then writes
 that integer, represented as a single-precision floating-point number,
 to floating-point register _rd_. Zero and infinite inputs are copied to
 _rd_ unmodified. Signaling NaN inputs cause the invalid operation
@@ -166,7 +166,7 @@ implement the other operations in the roundToIntegral family.
 
 The FCVTMOD.W.D instruction is defined similarly to the FCVT.W.D
 instruction, with the following differences. FCVTMOD.W.D always rounds
-towards zero. Bits 31:0 are taken from the rounded, unbounded two’s
+towards zero. Bits 31:0 are taken from the rounded, unbounded two's
 complement result, then sign-extended to XLEN bits and written to
 integer register _rd_. latexmath:[$\pm\infty$] and NaN are converted to
 zero.
@@ -183,7 +183,7 @@ The assembly syntax requires the RTZ rounding mode to be explicitly
 specified, i.e., `fcvtmod.w.d rd, rs1, rtz`.
 
 The FCVTMOD.W.D instruction was added principally to accelerate the
-processing of JavaScript `Number`s. `Number`s are double-precision
+processing of JavaScript `Numbers`. `Numbers` are double-precision
 values, but some operators implicitly truncate them to signed integers
 mod latexmath:[$2^{32}$].
 ====