[clang] Proofread UsersManual.rst (NFC) (#149763)

Author: kazutakahirata

clang/docs/UsersManual.rst

@@ -319,7 +319,7 @@ output format of the diagnostics that it generates.
 
    This option, which defaults to "none", controls whether or not Clang
    prints the category associated with a diagnostic when emitting it.
-   Each diagnostic may or many not have an associated category, if it
+   Each diagnostic may or may not have an associated category, if it
    has one, it is listed in the diagnostic categorization field of the
    diagnostic line (in the []'s).
 
@@ -737,7 +737,7 @@ control the crash diagnostics.
    crash diagnostics files, but with lower precedence than the option.
 
 Clang is also capable of generating preprocessed source file(s) and associated
-run script(s) even without a crash. This is specially useful when trying to
+run script(s) even without a crash. This is especially useful when trying to
 generate a reproducer for warnings or errors while using modules.
 
 .. option:: -gen-reproducer
@@ -1061,7 +1061,7 @@ In this way, the user may only need to specify a root configuration file with
 
 Usually, config file options are placed before command-line options, regardless
 of the actual operation to be performed. The exception is being made for the
-options prefixed with the ``$`` character. These will be used only when linker
+options prefixed with the ``$`` character. These will be used only when the linker
 is being invoked, and added after all of the command-line specified linker
 inputs. Here is some example of ``$``-prefixed options:
 
@@ -1222,7 +1222,7 @@ existed.
 The push and pop pragmas will save and restore the full diagnostic state
 of the compiler, regardless of how it was set. It should be noted that while Clang
 supports the GCC pragma, Clang and GCC do not support the exact same set
-of warnings, so even when using GCC compatible #pragmas there is no
+of warnings, so even when using GCC-compatible #pragmas there is no
 guarantee that they will have identical behaviour on both compilers.
 
 Clang also doesn't yet support GCC behavior for ``#pragma diagnostic pop``
@@ -1681,7 +1681,7 @@ for more details.
    * ``preserve-sign`` - the sign of a flushed-to-zero number is preserved in the sign of 0
    * ``positive-zero`` - denormals are flushed to positive zero
 
-   The default value depends on the target. For most targets, defaults to
+   The default value depends on the target. For most targets, it defaults to
    ``ieee``.
 
 .. option:: -f[no-]strict-float-cast-overflow
@@ -1730,7 +1730,7 @@ for more details.
    the C and C++ standards but can be enabled using ``-ffp-contract=fast``.
 
    Fusion can be controlled with the ``FP_CONTRACT`` and ``clang fp contract``
-   pragmas. Please note that pragmas will be ingored with
+   pragmas. Please note that pragmas will be ignored with
    ``-ffp-contract=fast``, and refer to the pragma documentation for a
    description of how the pragmas interact with the different ``-ffp-contract``
    option values.
@@ -1984,11 +1984,11 @@ for more details.
      call to runtime library functions (generally the case, but the BE might
      sometimes replace the library call if it knows enough about the potential
      range of the inputs). Overflow and non-finite values are handled by the
-     library implementation. For the case of multiplication overflow will occur in
+     library implementation. For the case of multiplication, overflow will occur in
      accordance with normal floating-point rules. This is the default value.
    * ``promoted`` Implementation of complex division using algebraic formulas at
      higher precision. Overflow is handled. Non-finite values are handled in some
-     cases. If the target does not have native support for a higher precision
+     cases. If the target does not have native support for a higher-precision
      data type, the implementation for the complex operation using the Smith
      algorithm will be used. Overflow may still occur in some cases. NaN and
      infinite values are not handled.