Sanity check the values of TRUE and FALSE.

core/src/fpdfdoc/doc_vt.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../include/fpdfdoc/fpdf_doc.h"
 #include "../../include/fpdfdoc/fpdf_vt.h"
 #include "pdf_vt.h"
 const uint8_t gFontSizeSteps[] = {4,  6,  8,   9,   10,  12,  14, 18, 20,
@@ skipping 412 matching lines @@
       (word >= 0x1E00 && word <= 0x1EFF) ||
       (word >= 0x2C60 && word <= 0x2C7F) ||
       (word >= 0xA720 && word <= 0xA7FF) ||
       (word >= 0xFF21 && word <= 0xFF3A) ||
       (word >= 0xFF41 && word <= 0xFF5A)) {
     return TRUE;
   }
   return FALSE;
 }
 static FX_BOOL IsDigit(FX_DWORD word) {
-  return (word >= 0x0030 && word <= 0x0039) ? TRUE : FALSE;
+  return word >= 0x0030 && word <= 0x0039;
 }
 static FX_BOOL IsCJK(FX_DWORD word) {
   if ((word >= 0x1100 && word <= 0x11FF) ||
       (word >= 0x2E80 && word <= 0x2FFF) ||
       (word >= 0x3040 && word <= 0x9FBF) ||
       (word >= 0xAC00 && word <= 0xD7AF) ||
       (word >= 0xF900 && word <= 0xFAFF) ||
       (word >= 0xFE30 && word <= 0xFE4F) ||
       (word >= 0x20000 && word <= 0x2A6DF) ||
       (word >= 0x2F800 && word <= 0x2FA1F)) {
@@ skipping 91 matching lines @@
 static FX_BOOL IsPrefixSymbol(FX_WORD word) {
   if (IsCurrencySymbol(word)) {
     return TRUE;
   }
   if (word == 0x2116) {
     return TRUE;
   }
   return FALSE;
 }
 static FX_BOOL IsSpace(FX_WORD word) {
-  return (word == 0x0020 || word == 0x3000) ? TRUE : FALSE;
+  return word == 0x0020 || word == 0x3000;
 }
 static FX_BOOL NeedDivision(FX_WORD prevWord, FX_WORD curWord) {
   if ((IsLatin(prevWord) || IsDigit(prevWord)) &&
       (IsLatin(curWord) || IsDigit(curWord))) {
     return FALSE;
   }
   if (IsSpace(curWord) || IsPunctuation(curWord)) {
     return FALSE;
   }
   if (IsConnectiveSymbol(prevWord) || IsConnectiveSymbol(curWord)) {
@@ skipping 1265 matching lines @@
     if (pSection->m_SecInfo.pSecProps) {
       *pSection->m_SecInfo.pSecProps = section.SecProps;
     }
     if (pSection->m_SecInfo.pWordProps) {
       *pSection->m_SecInfo.pWordProps = section.WordProps;
     }
     return TRUE;
   }
   return FALSE;
 }