Fix spelling errors

Fixed spelling errors in previously published commits and update
spelling dictionary

ispell-words

@@ -1,9 +1,15 @@
+aa
 aaa
 ab
+abacc
 abc
 ABCD
+abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnom
+abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnom
 abcde
 abcdefABCDEF
+abcdefghbcdefghicdefghijdefghijkefghijklfghijklmg
+abcdefghbcdefghicdefghijdefghijkefghijklfghijklmg
 abcdefghijklmnopqrstuvwxyz
 ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi
 abÏ
@@ -17,6 +23,7 @@ acroread
 activatePipelineStack
 ActiveState
 acyclic
+adbe
 addPage
 addPageAt
 addPageContents
@@ -24,8 +31,12 @@ addToTable
 adjustAESStreamLength
 admon
 Adobeâ
+ae
+aeadb
 aes
 AESv
+aesv
+afa
 ageneration
 AHx
 AIX
@@ -46,6 +57,7 @@ aobjid
 apexcovantage
 API
 APIs
+appendable
 appendItem
 appendString
 arg
@@ -85,16 +97,24 @@ autoheader
 autolabel
 automake
 autotools
+ba
 backref
 backreference
 backrefs
+badBits
 badLength
 BADMAGIC
 BADOPTION
+baeca
 BaseFont
 basename
+BaseVersion
+bb
+bc
+beb
 Berkenbilt
 betweenTokens
+bf
 binmode
 BitsPerComponent
 bitstream
@@ -110,12 +130,14 @@ BT
 buf
 BufferInputSource
 buflen
+bufp
 bufpl
 bufsize
 BUGREPORT
 buildrules
 bw
 bytesNeeded
+ca
 calculateHOutline
 calculateHPageOffset
 calculateHSharedObject
@@ -123,16 +145,22 @@ calculateLinearizationData
 calculateXrefStreamPadding
 callHello
 CAPTURECOUNT
+cb
 cbc
 cc
 ccase
+ccc
 CCF
 CCITTFaxDecode
 cd
+cdc
 cdict
 ce
+cec
+ced
 cerr
 cf
+cfea
 CFM
 ch
 ChangeLog
@@ -161,6 +189,7 @@ clearPipelineStack
 cleartext
 closeObject
 cmd
+codepage
 codepoint
 ColorSpace
 com
@@ -192,20 +221,30 @@ CryptFilterDecodeParms
 cso
 csoe
 css
+cstdio
 cstr
 cstring
 ctest
+ctx
 ctype
 cygwin
+da
 daae
+dae
+db
+dc
 DCT
 DCTDecode
+dd
+ddaf
 ddd
 de
 debian
+dec
 declspec
 DecodeParms
 decodeRow
+decodeStreams
 decrypt
 decrypted
 decrypter
@@ -232,6 +271,7 @@ DIR
 dirname
 disableCBC
 disableIncompatibleEncryption
+disablePadding
 dist
 distclean
 dlfcn
@@ -256,8 +296,17 @@ dumpLinearizationDataInternal
 dwHighDateTime
 dwLowDateTime
 DWORD
+ea
+eadb
 earlychange
 EarlyChange
+eb
+ebae
+ecc
+ecedd
+eded
+eeb
+eeee
 EF
 EFF
 efgh
@@ -265,6 +314,7 @@ EI
 elif
 elt
 EmbeddedFiles
+embeddedFiles
 emptyPDF
 en
 encodeDataIncrementally
@@ -302,14 +352,18 @@ esize
 exc
 exe
 exp
+ExtensionLevel
 extern
 fb
 fBqpdf
+fc
+fcc
 fclose
 fcntl
 fd
+feebbd
 ferror
-FF
+ff
 ffff
 fflush
 fghij
@@ -321,10 +375,12 @@ FileInputSource
 fileno
 filenow
 filep
+Filespec
 FILETIME
 filetrailer
 filterCompressedObjects
 findAndSkipNextEOL
+findAttachmentStreams
 findPage
 fIoptions
 fIoutfilename
@@ -334,6 +390,7 @@ fl
 flate
 FlateDecode
 flattenPagesTree
+flattenScalarReferences
 fn
 fname
 fo
@@ -352,7 +409,9 @@ fullinfo
 fullpad
 func
 fwrite
+Gagic
 GajiÄ
+Gajic
 gcc
 gen
 generateHintStream
@@ -375,16 +434,20 @@ getCount
 getDataChecksum
 getDict
 getDictAsMap
+getEncryptionKey
+getEncryptMetadata
 getenv
 GetEnvironmentVariable
 getErrorCode
 getErrorMessage
+getExtensionLevel
 getFileChecksum
 getFilename
 getFilePosition
 getFirstChar
 getGeneration
 getHexDigest
+getId
 getIntValue
 getItem
 getKey
@@ -393,6 +456,7 @@ getKeys
 getLastChar
 getLastOffset
 getLength
+getLengthBytes
 getLinearizationOffset
 getLinearizedParts
 getMatch
@@ -401,20 +465,26 @@ getName
 getNext
 getNItems
 getNumericValue
+getO
 getObject
 getObjectByID
 getObjectID
 getObjectStreamData
 getObjStreamIndex
 getObjStreamNumber
+getOE
 getOffset
 getOffsetLength
 getOwningQPDF
+getP
 getPaddedUserPassword
 getPageContents
 getPageImages
 getPDFVersion
+getPerms
 getPointer
+getR
+getRawDigest
 getRawStreamData
 getRawValue
 getRealValue
@@ -426,13 +496,16 @@ getStringValue
 GetSystemTime
 getToken
 getTrailer
+getTrimmedTrailer
 getTrimmedUserPassword
 getTrimmedUserPassword's
 getType
-GETU
+getU
+getUE
 getUncompressedObject
 getUserPassword
 getUTF
+getV
 getVal
 getValue
 getWarnings
@@ -464,6 +537,8 @@ hexstrings
 HGeneric
 hh
 HighPart
+hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstn
+hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstn
 hlen
 Hoffmann
 HOi
@@ -509,6 +584,7 @@ initializeEncryption
 initializePipelineStack
 initializeSpecialStreams
 initializeVector
+initializeWithRandomBytes
 inline
 inode
 inputLen
@@ -653,6 +729,7 @@ msvc
 MSVC's
 msys
 multibyte
+multiline
 multithreaded
 Mutator
 mutators
@@ -721,6 +798,8 @@ ObjStm
 ObjUser
 objusers
 oc
+OE
+OffsetInputSource
 og
 ogs
 oiter
@@ -741,11 +820,13 @@ ostream
 ostringstream
 OtherPage
 ou
+OUE
 ous
 outbuf
 OUTDOC
 outfile
 outfilename
+outlength
 outputLengthNextN
 ovecsize
 ovector
@@ -758,6 +839,7 @@ pageobj
 PageSpec
 para
 param
+params
 parms
 parseInternal
 parseVersion
@@ -766,12 +848,15 @@ pathsep
 Pavlyuk
 pb
 pbytes
+pc
 pcre
 pcreapi
 pdf
 PDFâ
+PDFContext
+PDFDocEncoding
 pdfDumpInfoDict
-PDFS
+PDFs
 pdlin
 pe
 perl
@@ -781,6 +866,7 @@ php
 pipeStreamData
 pipeStringAndFinish
 Pkey
+pkg
 PKI
 pl
 plaintext
@@ -796,6 +882,7 @@ pre
 precompiled
 prefilering
 prefiltering
+prepareFileForWrite
 presentCharacter
 presentEOF
 preserveObjectStreams
@@ -804,6 +891,7 @@ printability
 printf
 processChar
 processFile
+processInputSource
 processMemoryFile
 processRow
 processXRefStream
@@ -812,6 +900,7 @@ ProcSet
 procsets
 programlisting
 provideStreamData
+proxied
 PSâ
 pt
 pthread
@@ -903,6 +992,8 @@ replaceOrRemoveKey
 replaceReserved
 replaceStreamData
 reserveObjects
+resetBits
+resolveLiteral
 resolveObjectsInStream
 retargeted
 retested
@@ -927,6 +1018,7 @@ RStream
 RunLengthDecode
 runtest
 sAlT
+SASLprep
 se
 sed
 seekable
@@ -941,22 +1033,26 @@ setContentNormalization
 setDataKey
 setEncryptionParameters
 setEncryptionParametersInternal
+setExtraHeaderText
 setFile
 setFilename
 setFromVector
 setIgnoreXRefStreams
 setItem
+setIV
 setLastObjectDescription
 setLastOffset
 setLinearization
 setLineBuf
 setMinimumPDFVersion
 setmode
+setO
 setObjectStreamMode
 setObjGen
 setOutputFile
 setOutputFilename
 setOutputMemory
+setOutputPipeline
 setOutputStreams
 setPreserveEncryption
 setQDFMode
@@ -967,7 +1063,10 @@ setStreamDataMode
 setSuppressOriginalObjectIDs
 setSuppressWarnings
 setTrailer
+setU
+setV
 setvbuf
+sha
 shallowCopy
 showLinearizationData
 showXRefTable
@@ -976,6 +1075,7 @@ skipToNextByte
 soe
 sourceforge
 SourceForge
+sph
 sprintf
 srand
 srandom
@@ -1004,6 +1104,7 @@ StreamDataProvider
 strerror
 StrF
 StringDecrypter
+stringprep
 stripesize
 strlen
 strncmp
@@ -1062,6 +1163,7 @@ tt
 txt
 uc
 udata
+UE
 uinow
 uint
 uiter
@@ -1074,6 +1176,7 @@ uncompresesd
 uncompress
 uncompressing
 undef
+understandDecodeParams
 unencrypted
 unfilterable
 ungetc
@@ -1098,6 +1201,7 @@ updatePagesCache
 url
 UseOutlines
 useStaticIV
+useZeroIV
 USLetter
 usr
 utf
@@ -1121,6 +1225,7 @@ Vitaliy
 Vkey
 vlen
 voidpf
+vp
 vvv
 wb
 werror
@@ -1190,11 +1295,14 @@ xrefTable
 xsl
 XSLTPROC
 XXX
+xy
 yn
 yuiop
 yyyymmdd
 z's
 zalloc
+Zarko
+Zarko's
 zdata
 Zeroize
 zeroizing

libqpdf/QPDF.cc

@@ -235,7 +235,7 @@ QPDF::parse(char const* password)
         size_t global_offset = m1.getMatch(1).length();
         if (global_offset != 0)
         {
-            // Emperical evidence strongly suggests that when there is
+            // Empirical evidence strongly suggests that when there is
             // leading material prior to the PDF header, all explicit
             // offsets in the file are such that 0 points to the
             // beginning of the header.
@@ -1273,7 +1273,7 @@ QPDF::readObjectAtOffset(bool try_recovery,
     setLastObjectDescription(description, exp_objid, exp_generation);
 
     // Special case: if offset is 0, just return null.  Some PDF
-    // writers, in particuar "Mac OS X 10.7.5 Quartz PDFContext", may
+    // writers, in particular "Mac OS X 10.7.5 Quartz PDFContext", may
     // store deleted objects in the xref table as "0000000000 00000
     // n", which is not correct, but it won't hurt anything for to
     // ignore these.