docs: removed unnecessary comments

docs/rpn.1

@@ -9,13 +9,13 @@
 rpn \(en reverse polish notation evaluation
 .\"
 .SH SYNOPSIS
-.\"
+
 rpn
 .RB [ numbers... ]
 .RB [ operators... ]
 .\"
 .SH DESCRIPTION
-.\"
+
 Evaluate reverse polish notation.
 
 The program evaluates reverse polish notation expressions either read from the
@@ -29,13 +29,13 @@ stack.
 For information on for reverse polish notation syntax, see rpn(7).
 .\"
 .SH STANDARD INPUT
-.\"
+
 If arguments are passed, they are interpreted as an expression to be
 evaluated. Otherwise, it reads whitespace-delimited numbers and operations from
 the standard input.
 .\"
 .SH DIAGNOSTICS
-.\"
+
 In the event of a syntax error, the program will print an
 
 In the event of an error, a debug message will be printed and the program will
@@ -44,7 +44,7 @@ exit with the appropriate
 error code.
 .\"
 .SH CAVEATS
-.\"
+
 Due to precision constraints and the way floats are represented in accordance
 with the IEEE Standard for Floating Point Arithmetic (\fIIEEE 754\fP),
 floating-point arithmetic has rounding errors. This is somewhat curbed by using
@@ -53,7 +53,7 @@ numbers. Because of this, variation is expected in the number of decimal places
 the program can handle based on the platform and hardware of any given machine.
 .\"
 .SH RATIONALE
-.\"
+
 An infix notation calculation utility,
 .BR bc (1p),
 is included in the POSIX standard, but does not accept expressions as arguments;
@@ -67,13 +67,13 @@ UNIX v2 onward. While it implements reverse polish notation, it still suffers
 from being unable to accept an expression as an argument.
 .\"
 .SH AUTHOR
-.\"
+
 Written by Emma Tebibyte
 .MT emma@tebibyte.media
 .ME .
 .\"
 .SH COPYRIGHT
-.\"
+
 Copyright (c) 2024 Emma Tebibyte. License AGPLv3+: GNU AGPL version 3 or later
 <https://gnu.org/licenses/agpl.html>.
 .\"