[lldb] Correct some uses of \b in Doxygen documentation

lldb/include/lldb/Breakpoint/BreakpointOptions.h

@@ -194,8 +194,8 @@ friend class Breakpoint;
   ///    The commands will be appended to this list.
   ///
   /// \return
-  ///    \btrue if the command callback is a command-line callback,
-  ///    \bfalse otherwise.
+  ///    \b true if the command callback is a command-line callback,
+  ///    \b false otherwise.
   bool GetCommandLineCallbacks(StringList &command_list);
 
   /// Remove the callback from this option set.

lldb/include/lldb/Interpreter/Options.h

@@ -169,7 +169,7 @@ class Options {
   /// user wants returned.
   ///
   /// \return
-  ///     \btrue if we were in an option, \bfalse otherwise.
+  ///     \b true if we were in an option, \b false otherwise.
   bool HandleOptionCompletion(lldb_private::CompletionRequest &request,
                               OptionElementVector &option_map,
                               CommandInterpreter &interpreter);

lldb/include/lldb/Symbol/CompileUnit.h

@@ -208,9 +208,9 @@ class CompileUnit : public std::enable_shared_from_this<CompileUnit>,
   ///     unit file.
   ///
   /// \param[in] exact
-  ///     If \btrue match only if there is a line table entry for this line
+  ///     If \b true match only if there is a line table entry for this line
   ///     number.
-  ///     If \bfalse, find the line table entry equal to or after this line
+  ///     If \b false, find the line table entry equal to or after this line
   ///     number.
   ///
   /// \param[out] line_entry

lldb/include/lldb/Target/Process.h

@@ -1884,7 +1884,7 @@ class Process : public std::enable_shared_from_this<Process>,
   ///     want to deallocate.
   ///
   /// \return
-  ///     \btrue if the memory was deallocated, \bfalse otherwise.
+  ///     \b true if the memory was deallocated, \b false otherwise.
   virtual Status DoDeallocateMemory(lldb::addr_t ptr) {
     Status error;
     error.SetErrorStringWithFormatv(
@@ -1903,7 +1903,7 @@ class Process : public std::enable_shared_from_this<Process>,
   ///     want to deallocate.
   ///
   /// \return
-  ///     \btrue if the memory was deallocated, \bfalse otherwise.
+  ///     \b true if the memory was deallocated, \b false otherwise.
   Status DeallocateMemory(lldb::addr_t ptr);
 
   /// Get any available STDOUT.

lldb/include/lldb/Target/Target.h

@@ -991,7 +991,7 @@ class Target : public std::enable_shared_from_this<Target>,
   ///     manually set following this function call).
   ///
   /// \return
-  ///     \b true if the architecture was successfully set, \bfalse otherwise.
+  ///     \b true if the architecture was successfully set, \b false otherwise.
   bool SetArchitecture(const ArchSpec &arch_spec, bool set_platform = false);
 
   bool MergeArchitecture(const ArchSpec &arch_spec);