doc: better describe config file special characters; plus other typos, url fixes, mention gpg, etc., from Takuto in texlive-en.tex

git-svn-id: svn://tug.org/texlive/trunk@53213 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 519 insertions, 458 deletions

diff --git a/Build/source/doc/ChangeLog b/Build/source/doc/ChangeLog
index 7eb81910bf4..422a681dc16 100644
--- a/Build/source/doc/ChangeLog
+++ b/Build/source/doc/ChangeLog
@@ -1,3 +1,7 @@
+2019-12-22  Karl Berry  <karl@freefriends.org>
+
+	* build-tools.txt: bison 3.5.
+
 2019-08-11  Karl Berry  <karl@freefriends.org>
 
 	* tlbuild.texi (Build one package): rm sources to build without C++11.
diff --git a/Build/source/doc/build-tools.txt b/Build/source/doc/build-tools.txt
index 3fde6a5901f..9de77a74943 100644
--- a/Build/source/doc/build-tools.txt
+++ b/Build/source/doc/build-tools.txt
@@ -1,6 +1,6 @@
 autoconf (GNU Autoconf) 2.69
 automake (GNU automake) 1.16.1
-bison (GNU Bison) 3.4.2
+bison (GNU Bison) 3.5
 flex 2.6.0
 ltmain.sh (GNU libtool) 2.4.6
 m4 (GNU M4) 1.4.18
diff --git a/Build/source/doc/tlbuild.info b/Build/source/doc/tlbuild.info
index 1e6a5dbfb13..f547b21bb5a 100644
--- a/Build/source/doc/tlbuild.info
+++ b/Build/source/doc/tlbuild.info
@@ -747,7 +747,7 @@ many extra hassles, so don't do that, tempting as it may be.
 
      autoconf (GNU Autoconf) 2.69
      automake (GNU automake) 1.16.1
-     bison (GNU Bison) 3.4.2
+     bison (GNU Bison) 3.5
      flex 2.6.0
      ltmain.sh (GNU libtool) 2.4.6
      m4 (GNU M4) 1.4.18
@@ -5629,353 +5629,353 @@ Node: Linked scripts24924
 Node: Distro builds26415
 Node: Layout and infrastructure28791
 Node: Build system tools29622
-Node: Top-level directories31839
-Node: Autoconf macros34075
-Node: General setup macros34837
-Node: Macros for programs35712
-Node: Macros for compilers36513
-Node: Macros for libraries37921
-Node: Macros for library and header flags38347
-Node: Macros for Windows40258
-Node: Library modules41845
-Node: png library42334
-Node: zlib library44682
-Node: freetype library45197
-Node: kpathsea library45893
-Node: Program modules47272
-Node: t1utils package47700
-Node: xindy package48245
-Node: xdvik package49359
-Node: asymptote50418
-Node: Extending TeX Live50914
-Node: Adding a new program module51697
-Node: Adding a new generic library module55036
-Node: Adding a new TeX-specific library module57265
-Node: Configure options57963
-Node: Global configure options59344
-Node: --disable-native-texlive-build59886
-Node: --prefix --bindir ...60848
-Node: --disable-largefile61388
-Node: --disable-missing62089
-Node: --enable-compiler-warnings=LEVEL62490
-Node: --enable-cxx-runtime-hack63146
-Node: --enable-maintainer-mode63566
-Node: --enable-multiplatform64095
-Node: --enable-shared64668
-Node: --enable-silent-rules65039
-Node: --without-ln-s65491
-Node: --without-x65838
-Node: Program-specific configure options66026
-Node: --enable-PROG --disable-PROG66669
-Node: --disable-all-pkgs66942
-Node: Configure options for texk/web2c67725
-Node: Configure options for texk/bibtex-x70263
-Node: Configure options for texk/dvipdfm-x70806
-Node: Configure options for texk/dvisvgm71582
-Node: Configure options for texk/texlive72463
-Node: Configure options for texk/xdvik72884
-Node: Configure options for utils/xindy73505
-Node: Library-specific configure options74395
-Node: Configure options for kpathsea75397
-Node: Configure options for system poppler76146
-Node: Variables for configure76910
-Node: Coding conventions78336
-Node: Declarations and definitions79051
-Node: Const81225
-Node: Continuous integration83089
-Node: Transfer from Subversion to Github83753
-Node: Automatic update of the Git mirror85915
-Node: CI testing on Travis-CI86497
-Node: Releases on Github87206
-Node: install-tl87646
-Node: install-tl NAME88015
-Node: install-tl SYNOPSIS88173
-Node: install-tl DESCRIPTION88431
-Node: install-tl REFERENCES89498
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-Ref: install-tl perltk90852
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-Node: tlmgr check [_option_...] [files|depends|executes|runfiles|all]118651
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-Node: tlmgr gui127783
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-Ref: tlmgr *--with-doc*133581
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-Node: tlmgr key134116
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-Ref: tlmgr *key add _file_*134292
-Ref: tlmgr *key remove _keyid_*134314
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-Node: tlmgr option135071
-Ref: tlmgr *option [--json] [show]*135226
-Ref: tlmgr *option [--json] showall*135252
-Ref: tlmgr *option _key_ [_value_]*135278
-Node: tlmgr paper139675
-Ref: tlmgr *paper [a4|letter]*139824
-Ref: tlmgr *[xdvi|pdftex|dvips|dvipdfmx|context|psutils] paper [_papersize_|--list]*139898
-Ref: tlmgr *paper --json*139913
-Node: tlmgr path141128
-Ref: tlmgr *path [--w32mode=user|admin] add*141289
-Ref: tlmgr *path [--w32mode=user|admin] remove*141326
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-Ref: tlmgr pinning show142907
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-Ref: tlmgr *platform list|add|remove _platform_...*143492
-Ref: tlmgr *platform set _platform_*143519
-Ref: tlmgr *platform set auto*143540
-Ref: tlmgr *--dry-run* 2144426
-Node: tlmgr postaction144545
-Ref: tlmgr *postaction [_option_...] install [shortcut|fileassoc|script] [_pkg_...]*144775
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-Ref: tlmgr *--fileassocmode=[1|2]*145580
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-Node: tlmgr print-platform-info146251
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-Node: tlmgr repository148321
-Ref: tlmgr *repository list*148509
-Ref: tlmgr *repository list _path|tag_*148539
-Ref: tlmgr *repository add _path_ [_tag_]*148572
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+Node: Autoconf macros34073
+Node: General setup macros34835
+Node: Macros for programs35710
+Node: Macros for compilers36511
+Node: Macros for libraries37919
+Node: Macros for library and header flags38345
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+Node: png library42332
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+Node: asymptote50416
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+Ref: install-tl TEXLIVE_INSTALL_TEXMFSYSCONFIG105394
+Ref: install-tl TEXLIVE_INSTALL_TEXMFSYSVAR105425
+Ref: install-tl NOPERLDOC105796
+Node: install-tl AUTHORS AND COPYRIGHT105860
+Node: tlmgr106276
+Node: tlmgr NAME106729
+Node: tlmgr SYNOPSIS106861
+Node: tlmgr DESCRIPTION107051
+Node: tlmgr EXAMPLES108147
+Ref: tlmgr tlmgr option repository ctan108398
+Ref: tlmgr tlmgr option repository http://mirror.ctan.org/systems/texlive/tlnet108470
+Ref: tlmgr tlmgr update --list108922
+Ref: tlmgr tlmgr update --all109015
+Ref: tlmgr tlmgr info _what_109172
+Node: tlmgr OPTIONS109434
+Ref: tlmgr *--repository* _url|path_109954
+Ref: tlmgr *--gui* [_action_]110679
+Ref: tlmgr *--gui-lang* _llcode_111086
+Ref: tlmgr *--debug-translation*111769
+Ref: tlmgr *--machine-readable*111972
+Ref: tlmgr *--no-execute-actions*112240
+Ref: tlmgr *--package-logfile* _file_112433
+Ref: tlmgr *--pause*112687
+Ref: tlmgr *--persistent-downloads*112842
+Ref: tlmgr *--no-persistent-downloads*112870
+Ref: tlmgr *--pin-file*113364
+Ref: tlmgr *--usermode*113582
+Ref: tlmgr *--usertree* _dir_113702
+Ref: tlmgr *--verify-repo=[none|main|all]*113828
+Node: tlmgr ACTIONS114727
+Node: tlmgr help115579
+Node: tlmgr version116055
+Node: tlmgr backup116318
+Ref: tlmgr *backup [_option_...] --all*116489
+Ref: tlmgr *backup [_option_...] _pkg_...*116522
+Ref: tlmgr *--backupdir* _directory_117377
+Ref: tlmgr *--all*117594
+Ref: tlmgr *--clean*[=_N_]117846
+Ref: tlmgr *--dry-run*118173
+Node: tlmgr candidates _pkg_118303
+Node: tlmgr check [_option_...] [files|depends|executes|runfiles|all]118649
+Ref: tlmgr *files*119022
+Ref: tlmgr *depends*119157
+Ref: tlmgr *executes*119499
+Ref: tlmgr *runfiles*119617
+Ref: tlmgr *--use-svn*119738
+Node: tlmgr conf119855
+Ref: tlmgr *conf [texmf|tlmgr|updmap [--conffile _file_] [--delete] [_key_ [_value_]]]*120134
+Ref: tlmgr *conf auxtrees [--conffile _file_] [show|add|delete] [_value_]*120198
+Node: tlmgr dump-tlpdb [_option_...] [--json]122543
+Ref: tlmgr *--local*122976
+Ref: tlmgr *--remote*123015
+Ref: tlmgr *--json*123053
+Node: tlmgr generate123624
+Ref: tlmgr *generate [_option_...] language*123820
+Ref: tlmgr *generate [_option_...] language.dat*123859
+Ref: tlmgr *generate [_option_...] language.def*123898
+Ref: tlmgr *generate [_option_...] language.dat.lua*123941
+Ref: tlmgr *--dest* _output_file_126267
+Ref: tlmgr *--localcfg* _local_conf_file_126843
+Ref: tlmgr *--rebuild-sys*126966
+Node: tlmgr gui127781
+Node: tlmgr info127959
+Ref: tlmgr *info [_option_...] _pkg_...*128121
+Ref: tlmgr *info [_option_...] collections*128155
+Ref: tlmgr *info [_option_...] schemes*128185
+Ref: tlmgr *--list*129715
+Ref: tlmgr *--only-installed*130029
+Ref: tlmgr *--data item1,item2,...*130228
+Ref: tlmgr *--json* 1130809
+Node: tlmgr init-usertree131192
+Node: tlmgr install [_option_...] _pkg_...131573
+Ref: tlmgr *--dry-run* 1132083
+Ref: tlmgr *--file*132200
+Ref: tlmgr *--force*132422
+Ref: tlmgr *--no-depends*132642
+Ref: tlmgr *--no-depends-at-all*132801
+Ref: tlmgr *--reinstall*133201
+Ref: tlmgr *--with-doc*133579
+Ref: tlmgr *--with-src*133592
+Node: tlmgr key134114
+Ref: tlmgr *key list*134272
+Ref: tlmgr *key add _file_*134290
+Ref: tlmgr *key remove _keyid_*134312
+Node: tlmgr list134907
+Node: tlmgr option135069
+Ref: tlmgr *option [--json] [show]*135224
+Ref: tlmgr *option [--json] showall*135250
+Ref: tlmgr *option _key_ [_value_]*135276
+Node: tlmgr paper139673
+Ref: tlmgr *paper [a4|letter]*139822
+Ref: tlmgr *[xdvi|pdftex|dvips|dvipdfmx|context|psutils] paper [_papersize_|--list]*139896
+Ref: tlmgr *paper --json*139911
+Node: tlmgr path141126
+Ref: tlmgr *path [--w32mode=user|admin] add*141287
+Ref: tlmgr *path [--w32mode=user|admin] remove*141324
+Node: tlmgr pinning142664
+Ref: tlmgr pinning show142905
+Ref: tlmgr pinning add _repo_ _pkgglob_...142978
+Ref: tlmgr pinning remove _repo_ _pkgglob_...143097
+Ref: tlmgr pinning remove _repo_ --all143250
+Node: tlmgr platform143304
+Ref: tlmgr *platform list|add|remove _platform_...*143490
+Ref: tlmgr *platform set _platform_*143517
+Ref: tlmgr *platform set auto*143538
+Ref: tlmgr *--dry-run* 2144424
+Node: tlmgr postaction144543
+Ref: tlmgr *postaction [_option_...] install [shortcut|fileassoc|script] [_pkg_...]*144773
+Ref: tlmgr *postaction [_option_...] remove [shortcut|fileassoc|script] [_pkg_...]*144847
+Ref: tlmgr *--w32mode=[user|admin]*145162
+Ref: tlmgr *--fileassocmode=[1|2]*145578
+Ref: tlmgr *--all* 1145863
+Node: tlmgr print-platform145918
+Node: tlmgr print-platform-info146249
+Node: tlmgr remove [_option_...] _pkg_...146549
+Ref: tlmgr *--all* 2147033
+Ref: tlmgr *--backup*147143
+Ref: tlmgr *--backupdir* _directory_ 1147169
+Ref: tlmgr *--no-depends* 1147574
+Ref: tlmgr *--no-depends-at-all* 1147636
+Ref: tlmgr *--force* 1147739
+Ref: tlmgr *--dry-run* 3148212
+Node: tlmgr repository148319
+Ref: tlmgr *repository list*148507
+Ref: tlmgr *repository list _path|tag_*148537
+Ref: tlmgr *repository add _path_ [_tag_]*148570
+Ref: tlmgr *repository remove _path|tag_*148602
+Ref: tlmgr *repository set _path_[#_tag_] [_path_[#_tag_] ...]*148656
+Node: tlmgr restore149709
+Ref: tlmgr *restore [_option_...] _pkg_ [_rev_]*149888
+Ref: tlmgr *restore [_option_...] --all*149918
+Ref: tlmgr *--all* 3150618
+Ref: tlmgr *--backupdir* _directory_ 2150832
+Ref: tlmgr *--dry-run* 4151013
+Ref: tlmgr *--force* 2151145
+Ref: tlmgr *--json* 2151191
+Node: tlmgr search151518
+Ref: tlmgr *search [_option_...] _what_*151682
+Ref: tlmgr *search [_option_...] --file _what_*151719
+Ref: tlmgr *search [_option_...] --all _what_*151755
+Ref: tlmgr *--file* 1151975
+Ref: tlmgr *--all* 4152037
+Ref: tlmgr *--global*152126
+Ref: tlmgr *--word*152253
+Node: tlmgr shell152568
+Ref: tlmgr protocol153303
+Ref: tlmgr help 1153367
+Ref: tlmgr version 1153420
+Ref: tlmgr quit, end, bye, byebye, EOF153488
+Ref: tlmgr restart153509
+Ref: tlmgr load [local|remote]153632
+Ref: tlmgr save153702
+Ref: tlmgr get [_var_] =item set [_var_ [_val_]]153825
+Node: tlmgr show154426
+Node: tlmgr uninstall154593
+Node: tlmgr update [_option_...] [_pkg_...]154823
+Ref: tlmgr *--all* 5155194
+Ref: tlmgr *--self*156935
+Ref: tlmgr *--dry-run* 5157699
+Ref: tlmgr *--list* [_pkg_]157876
+Ref: tlmgr *--exclude* _pkg_158565
+Ref: tlmgr *--no-auto-remove* [_pkg_...]159365
+Ref: tlmgr *--no-auto-install* [_pkg_...]159816
+Ref: tlmgr *--reinstall-forcibly-removed*160472
+Ref: tlmgr *--backup* 1161007
+Ref: tlmgr *--backupdir* _directory_ 3161033
+Ref: tlmgr *--no-depends* 2162199
+Ref: tlmgr *--no-depends-at-all* 2162402
+Ref: tlmgr *--force* 3162505
+Node: tlmgr CONFIGURATION FILE FOR TLMGR163320
+Ref: tlmgr auto-remove, value 0 or 1 (default 1), same as command-line option.164333
+Ref: tlmgr gui-expertmode, value 0 or 1 (default 1). This switches between the full GUI and a simplified GUI with only the most common settings.164470
+Ref: tlmgr gui-lang _llcode_, with a language code value as with the command-line option.164552
+Ref: tlmgr no-checksums, value 0 or 1 (default 0, see below).164606
+Ref: tlmgr persistent-downloads, value 0 or 1 (default 1), same as command-line option.164686
+Ref: tlmgr require-verification, value 0 or 1 (default 0), same as command-line option.164766
+Ref: tlmgr update-exclude, value: comma-separated list of packages (no space allowed). Same as the command line option --exclude for the action update.164914
+Ref: tlmgr verify-downloads, value 0 or 1 (default 1), same as command-line option.164990
+Ref: tlmgr allowed-actions _action1_ [,_action_,...] The value is a comma-separated list of tlmgr actions which are allowed to be executed when tlmgr is invoked in system mode (that is, without --usermode).165259
+Node: tlmgr CRYPTOGRAPHIC VERIFICATION166345
+Node: tlmgr Configuration of GnuPG invocation168494
+Node: tlmgr USER MODE169132
+Node: tlmgr User mode install171978
+Node: tlmgr User mode backup, restore, remove, update173122
+Node: tlmgr User mode generate, option, paper173564
+Node: tlmgr MULTIPLE REPOSITORIES173940
+Node: tlmgr Pinning175669
+Node: tlmgr GUI FOR TLMGR177644
+Node: tlmgr Main display178984
+Node: tlmgr Display configuration area179236
+Ref: tlmgr Status179597
+Ref: tlmgr Category179761
+Ref: tlmgr Match179947
+Ref: tlmgr Selection180128
+Ref: tlmgr Display configuration buttons180332
+Node: tlmgr Package list area180515
+Ref: tlmgr a checkbox181099
+Ref: tlmgr package name181235
+Ref: tlmgr local revision (and version)181334
+Ref: tlmgr remote revision (and version)181709
+Ref: tlmgr short description182006
+Node: tlmgr Main display action buttons182051
+Ref: tlmgr Update all installed182317
+Ref: tlmgr Update182689
+Ref: tlmgr Install182739
+Ref: tlmgr Remove182925
+Ref: tlmgr Backup183103
+Node: tlmgr Menu bar183260
+Ref: tlmgr tlmgr menu183483
+Ref: tlmgr Options menu183791
+Ref: tlmgr Actions menu184874
+Ref: tlmgr Help menu185302
+Node: tlmgr GUI options185435
+Ref: tlmgr -background _color_185681
+Ref: tlmgr -font " _fontname_ _fontsize_ "185746
+Ref: tlmgr -foreground _color_185904
+Ref: tlmgr -geometry _geomspec_185956
+Ref: tlmgr -xrm _xresource_186148
+Node: tlmgr MACHINE-READABLE OUTPUT186416
+Node: tlmgr Machine-readable update and install output187226
+Ref: tlmgr location-url _location_188502
+Ref: tlmgr total-bytes _count_188718
+Ref: tlmgr _pkgname_189128
+Ref: tlmgr _status_189338
+Ref: tlmgr d189416
+Ref: tlmgr f189476
+Ref: tlmgr u189655
+Ref: tlmgr r189701
+Ref: tlmgr a189824
+Ref: tlmgr i190002
+Ref: tlmgr I190121
+Ref: tlmgr _localrev_190223
+Ref: tlmgr _serverrev_190330
+Ref: tlmgr _size_190442
+Ref: tlmgr _runtime_190611
+Ref: tlmgr _esttot_190681
+Node: tlmgr Machine-readable option output190714
+Node: tlmgr AUTHORS AND COPYRIGHT191226
+Node: Index191625
 
 End Tag Table
 
diff --git a/Build/source/texk/kpathsea/ChangeLog b/Build/source/texk/kpathsea/ChangeLog
index dab9c798ccc..81c85b1c87f 100644
--- a/Build/source/texk/kpathsea/ChangeLog
+++ b/Build/source/texk/kpathsea/ChangeLog
@@ -1,7 +1,13 @@
+2019-12-22  Karl Berry  <karl@freefriends.org>
+
+	* doc/kpathsea.texi (Path searching): mention translations for TL.
+	(Config files): distinguish special characters at different levels.
+	(Filename database): don't mention talking about 8.3 filenames.
+	
 2019-12-16  Karl Berry  <karl@freefriends.org>
 
 	* texmf.cnf (glob_str_size): increase from 20,000 to 200,000
-	for bibtex-bigauth.test (q.v.).
+	for web2c/tests/bibtex-bigauth.test (q.v.).
 	(ent_str_size, max_strings.bibtex*): increase these while we're here.
 
 2019-11-03  Karl Berry  <karl@tug.org>
diff --git a/Build/source/texk/kpathsea/doc/kpathsea.info b/Build/source/texk/kpathsea/doc/kpathsea.info
index 959873b6e8c..17f236f6646 100644
--- a/Build/source/texk/kpathsea/doc/kpathsea.info
+++ b/Build/source/texk/kpathsea/doc/kpathsea.info
@@ -1,4 +1,4 @@
-This is kpathsea.info, produced by makeinfo version 6.6 from
+This is kpathsea.info, produced by makeinfo version 6.7 from
 kpathsea.texi.
 
 This file documents the Kpathsea library for path searching.
@@ -37,7 +37,7 @@ Kpathsea library
 ****************
 
 This manual documents the Kpathsea library for path searching.  It
-corresponds to version 6.3.2, released in August 2019.
+corresponds to version 6.3.2, released in December 2019.
 
 * Menu:
 
@@ -62,7 +62,7 @@ File: kpathsea.info,  Node: Introduction,  Next: unixtex.ftp,  Prev: Top,  Up: T
 **************
 
 This manual corresponds to version 6.3.2 of the Kpathsea library,
-released in August 2019.
+released in December 2019.
 
    The library's fundamental purpose is to return a filename from a list
 of directories specified by the user, similar to what shells do when
@@ -374,6 +374,11 @@ This chapter describes the generic path searching mechanism Kpathsea
 provides.  For information about searching for particular file types
 (e.g., TeX fonts), see the next chapter.
 
+   This section, with minor differences, has been translated into
+several other languages (Chinese, Spanish, Russian, Japanese, French,
+German, ...) as part of the TeX Live guide; see
+<https://tug.org/texlive/doc.html> for links.
+
 * Menu:
 
 * Searching overview::          Basic scheme for searching.
@@ -526,7 +531,7 @@ mentions most features.  The format of 'texmf.cnf' files follows:
      not start a comment.  Examples:
 
           % this is a comment
-          var = a%b  % but the value of var will be "a%b".
+          var = a%b  % but the value of var will be "a%b"
 
    * Blank lines are ignored.
 
@@ -534,7 +539,7 @@ mentions most features.  The format of 'texmf.cnf' files follows:
      the next line is appended.  Whitespace at the beginning of
      continuation lines is not ignored.
 
-   * Each remaining line must look like
+   * Each remaining line will look like:
 
           VARIABLE [. PROGNAME] [=] VALUE
 
@@ -550,14 +555,20 @@ mentions most features.  The format of 'texmf.cnf' files follows:
      flavors of TeX to have different search paths.  The PROGNAME value
      is used literally, without variable or other expansions.
 
-   * VALUE may contain any characters except '%' and '@'.  (These
-     restrictions are only necessary because of the processing done on
-     'texmf.cnf' at build time, so you can stick those characters in
-     after installation if you have to.)  The '$VAR.PROG' feature is not
-     available on the right-hand side; instead, you must use an
-     additional variable (see below for example).  A ';' in VALUE is
-     translated to ':' if running under Unix; this is useful to write a
-     single 'texmf.cnf' which can be used under both Unix and Windows.
+   * Considered as strings, VALUE may contain any character.  However,
+     in practice most 'texmf.cnf' values are related to path expansion,
+     and since various special characters are used in expansion, such as
+     braces and commas, they cannot be used in directory names.
+
+     The '$VAR.PROG' feature is not available on the right-hand side;
+     instead, you must use an additional variable (see below for
+     example).
+
+     A ';' in VALUE is translated to ':' if running under Unix, in order
+     to have a single 'texmf.cnf' that can support both Unix and Windows
+     systems.  This translation happens with any value, not just search
+     paths, but fortunately in practice ';' is not needed in other
+     values.
 
    * All definitions are read before anything is expanded, so you can
      use variables before they are defined (like Make, unlike most other
@@ -573,12 +584,12 @@ Here is a configuration file fragment illustrating most of these points:
      TEXINPUTS.latex2e = $latex2e_inputs
      TEXINPUTS.latex = $latex2e_inputs
 
-   This format has obvious similarities to Bourne shell scripts--change
-the comment character to '#', disallow spaces around the '=', and get
-rid of the '.NAME' convention, and it could be run through the shell.
-However, there seemed little advantage in this, since all the
-information would have to passed back to Kpathsea and parsed there
-anyway, since the 'sh' process couldn't affect its parent's environment.
+   This format has some similarity to Bourne shell scripts--change the
+comment character to '#', disallow spaces around the '=', and get rid of
+the '.NAME' convention, and it could be run through the shell.  However,
+there seemed little advantage in this, since all the information would
+have to passed back to Kpathsea and parsed there anyway, since the 'sh'
+process couldn't affect its parent's environment.
 
    The combination of spaces being ignored before the '.' of a program
 name qualifer and the optional '=' for the assignment has an unexpected
@@ -590,6 +601,15 @@ Kpathsea warns if the program name contains a path separator or other
 special character.  The simplest way to avoid the problem is to use the
 '='.
 
+   Exactly when a character will be considered special or act as itself
+depends on the context in which it is used.  The rules are inherent in
+the multiple levels of interpretation of the configuration (parsing,
+expansion, search, ...) and so cannot be concisely stated,
+unfortunately.  There is no general escape mechanism; in particular, '\'
+is not an "escape character" in 'texmf.cnf' files.  When it comes
+choosing directory names for installation, it is safest to avoid them
+all.
+
    The implementation of all this is in 'kpathsea/cnf.c'.
 
 
@@ -815,7 +835,7 @@ if the path specification is, say, '$TEXMF/fonts//pk//', then files in a
 subdirectory '.../pk', even if it is a leaf, are checked.  The reason
 cannot be explained without reference to the implementation, so read
 'kpathsea/elt-dirs.c' (search for 'may descend') if you are curious.
-And if you can find a way to _solve_ the problem, please let me know.
+And if you find a way to solve the problem, please let me know.
 
    Subdirectory expansion is implemented in the source file
 'kpathsea/elt-dirs.c'.
@@ -975,7 +995,7 @@ File: kpathsea.info,  Node: Filename database,  Next: Invoking kpsewhich,  Prev:
 
 Kpathsea goes to some lengths to minimize disk accesses for searches
 (*note Subdirectory expansion::).  Nevertheless, in practice searching
-each possible directory in typical TeX installations takes an
+every possible directory in typical TeX installations takes an
 excessively long time.
 
    Therefore, Kpathsea can use an externally-built "filename database"
@@ -983,8 +1003,7 @@ file named 'ls-R' that maps files to directories, thus avoiding the need
 to exhaustively search the disk.
 
    A second database file 'aliases' allows you to give additional names
-to the files listed in 'ls-R'.  This can be helpful to adapt to "8.3"
-filename conventions in source files.
+to the files listed in 'ls-R'.
 
    The 'ls-R' and 'aliases' features are implemented in the source file
 'kpathsea/db.c'.
@@ -3154,6 +3173,7 @@ Index
                                                               (line 195)
 * .pro:                                  Supported file formats.
                                                               (line 169)
+* .PROGNAME qualifier in texmf.cnf:      Config files.        (line  50)
 * .rhosts, writable by TeX:              Security.            (line  10)
 * .ris:                                  Supported file formats.
                                                               (line 173)
@@ -3191,6 +3211,8 @@ Index
 * 8.3 filenames, using:                  mktex configuration. (line  68)
 * : may not be ::                        Searching overview.  (line  13)
 * :: expansion:                          Default expansion.   (line   6)
+* ; translated to : in texmf.cnf:        Config files.        (line  66)
+* = omitted in texmf.cnf and misparsing: Config files.        (line  93)
 * \, line continuation in texmf.cnf:     Config files.        (line  37)
 * \openin:                               Searching overview.  (line  31)
 * \special, suppressing warnings about:  Suppressing warnings.
@@ -3267,7 +3289,7 @@ Index
                                                               (line  46)
 * cmr10, as fallback font:               Fallback font.       (line  15)
 * cmr10.vf:                              Searching overview.  (line  31)
-* cnf.c:                                 Config files.        (line  97)
+* cnf.c:                                 Config files.        (line 112)
 * cnf.h:                                 Programming with config files.
                                                               (line  27)
 * comments, in fontmap files:            Fontmap.             (line  27)
@@ -3296,7 +3318,7 @@ Index
 * config.status:                         Bug checklist.       (line  27)
 * configuration bugs:                    Bug checklist.       (line  27)
 * configuration file, source for path:   Path sources.        (line  20)
-* configuration files as shell scripts.: Config files.        (line  80)
+* configuration files as shell scripts.: Config files.        (line  86)
 * configuration of mktex scripts:        mktex configuration. (line   6)
 * configure options for mktex scripts:   mktex configuration. (line  12)
 * context diff:                          Bug checklist.       (line  52)
@@ -3711,7 +3733,7 @@ Index
 * setgid scripts:                        Security.            (line  40)
 * SFDFONTS:                              Supported file formats.
                                                               (line 177)
-* shell scripts as configuration files:  Config files.        (line  80)
+* shell scripts as configuration files:  Config files.        (line  86)
 * shell variables:                       Variable expansion.  (line  17)
 * shell_escape, example for code:        Programming with config files.
                                                               (line  10)
@@ -3863,6 +3885,8 @@ Index
 * tolerance for glyph lookup:            Basic glyph lookup.  (line  15)
 * trailing / in home directory:          Tilde expansion.     (line  19)
 * trailing colons:                       Default expansion.   (line   6)
+* translations, of path searching description: Path searching.
+                                                              (line  10)
 * TRFONTS:                               Supported file formats.
                                                               (line 203)
 * trick for detecting leaf directories:  Subdirectory expansion.
@@ -3931,61 +3955,66 @@ Index
 
 Tag Table:
 Node: Top1480
-Node: Introduction2261
-Node: History4332
-Node: unixtex.ftp8928
-Node: Security10353
-Node: TeX directory structure12857
-Node: Path searching16905
-Node: Searching overview17632
-Node: Path sources21451
-Node: Config files22677
-Node: Path expansion27283
-Node: Default expansion28236
-Node: Variable expansion30306
-Node: Tilde expansion31707
-Node: Brace expansion32687
-Node: KPSE_DOT expansion33626
-Node: Subdirectory expansion34139
-Node: Casefolding search36493
-Node: Casefolding rationale37262
-Node: Casefolding examples38601
-Node: Filename database43651
-Node: ls-R44709
-Node: Filename aliases48385
-Node: Database format49563
-Node: Invoking kpsewhich50576
-Node: Path searching options51531
-Node: Specially-recognized files61129
-Node: Auxiliary tasks62484
-Node: Standard options66209
-Node: TeX support66565
-Node: Supported file formats67919
-Node: File lookup75584
-Node: Glyph lookup77333
-Node: Basic glyph lookup78457
-Node: Fontmap79337
-Node: Fallback font81866
-Node: Suppressing warnings82778
-Node: mktex scripts83905
-Node: mktex configuration85120
-Node: mktex script names90923
-Node: mktex script arguments92309
-Node: Programming93188
-Node: Programming overview93761
-Node: Calling sequence96622
-Node: Program-specific files103154
-Node: Programming with config files104177
-Node: Reporting bugs105764
-Node: Bug checklist106442
-Node: Mailing lists109914
-Node: Debugging110589
-Node: Logging115666
-Node: Common problems117533
-Node: Unable to find files118010
-Node: Slow path searching120420
-Node: Unable to generate fonts121795
-Node: TeX or Metafont failing124266
-Node: Index125468
+Node: Introduction2263
+Node: History4336
+Node: unixtex.ftp8932
+Node: Security10357
+Node: TeX directory structure12861
+Node: Path searching16909
+Node: Searching overview17867
+Node: Path sources21686
+Node: Config files22912
+Node: Path expansion28175
+Node: Default expansion29128
+Node: Variable expansion31198
+Node: Tilde expansion32599
+Node: Brace expansion33579
+Node: KPSE_DOT expansion34518
+Node: Subdirectory expansion35031
+Node: Casefolding search37379
+Node: Casefolding rationale38148
+Node: Casefolding examples39487
+Node: Filename database44537
+Node: ls-R45519
+Node: Filename aliases49195
+Node: Database format50373
+Node: Invoking kpsewhich51386
+Node: Path searching options52341
+Node: Specially-recognized files61939
+Node: Auxiliary tasks63294
+Node: Standard options67019
+Node: TeX support67375
+Node: Supported file formats68729
+Node: File lookup76394
+Node: Glyph lookup78143
+Node: Basic glyph lookup79267
+Node: Fontmap80147
+Node: Fallback font82676
+Node: Suppressing warnings83588
+Node: mktex scripts84715
+Node: mktex configuration85930
+Node: mktex script names91733
+Node: mktex script arguments93119
+Node: Programming93998
+Node: Programming overview94571
+Node: Calling sequence97432
+Node: Program-specific files103964
+Node: Programming with config files104987
+Node: Reporting bugs106574
+Node: Bug checklist107252
+Node: Mailing lists110724
+Node: Debugging111399
+Node: Logging116476
+Node: Common problems118343
+Node: Unable to find files118820
+Node: Slow path searching121230
+Node: Unable to generate fonts122605
+Node: TeX or Metafont failing125076
+Node: Index126278
 
 End Tag Table
+
+
+Local Variables:
+coding: utf-8
+End:
diff --git a/Build/source/texk/kpathsea/doc/kpathsea.texi b/Build/source/texk/kpathsea/doc/kpathsea.texi
index db619f50129..8fdb387fff1 100644
--- a/Build/source/texk/kpathsea/doc/kpathsea.texi
+++ b/Build/source/texk/kpathsea/doc/kpathsea.texi
@@ -3,7 +3,7 @@
 @settitle Kpathsea: A library for path searching
 
 @set version 6.3.2
-@set month-year August 2019
+@set month-year December 2019
 
 @copying
 This file documents the Kpathsea library for path searching.
@@ -445,6 +445,12 @@ This chapter describes the generic path searching mechanism Kpathsea
 provides.  For information about searching for particular file types
 (e.g., @TeX{} fonts), see the next chapter.
 
+@cindex translations, of path searching description
+This section, with minor differences, has been translated into several
+other languages (Chinese, Spanish, Russian, Japanese, French, German,
+@dots{}) as part of the @TeX{} Live guide; see
+@url{https://tug.org/texlive/doc.html} for links.
+
 @menu
 * Searching overview::          Basic scheme for searching.
 * Path sources::                Where search paths can be defined.
@@ -652,7 +658,7 @@ start a comment.  Examples:
 
 @example
 % this is a comment
-var = a%b  % but the value of var will be "a%b".
+var = a%b  % but the value of var will be "a%b"
 @end example
 
 @item
@@ -668,7 +674,7 @@ A @samp{\} at the end of a line acts as a continuation character, i.e.,
 the next line is appended.  Whitespace at the beginning of continuation
 lines is not ignored.
 
-@item Each remaining line must look like
+@item Each remaining line will look like:
 
 @example
 @var{variable} @r{[}. @var{progname}@r{]} @r{[}=@r{]} @var{value}
@@ -681,6 +687,7 @@ lines is not ignored.
 The @var{variable} name may contain any character other than whitespace,
 @samp{=}, or @samp{.}, but sticking to @samp{A-Za-z_} is safest.
 
+@kindex .@var{progname} @r{qualifier in @file{texmf.cnf}}
 @item If @samp{.@var{progname}} is present (preceding spaces are
 ignored), the definition only applies if the program that is running
 is named (i.e., the last component of @code{argv[0]} is)
@@ -691,15 +698,21 @@ variable or other expansions.
 
 @item
 @cindex right-hand side of variable assignments
-@var{value} may contain any characters except @samp{%} and @samp{@@}.
-(These restrictions are only necessary because of the processing done
-on @file{texmf.cnf} at build time, so you can stick those characters
-in after installation if you have to.)  The
-@samp{$@var{var}.@var{prog}} feature is not available on the
+Considered as strings, @var{value} may contain any character.
+However, in practice most @file{texmf.cnf} values are related to path
+expansion, and since various special characters are used in expansion,
+such as braces and commas, they cannot be used in directory names.
+  
+The @samp{$@var{var}.@var{prog}} feature is not available on the
 right-hand side; instead, you must use an additional variable (see
-below for example).  A @samp{;} in @var{value} is translated to
-@samp{:} if running under Unix; this is useful to write a single
-@file{texmf.cnf} which can be used under both Unix and Windows.
+below for example).
+
+@kindex ; @r{translated to @samp{:} in @file{texmf.cnf}}
+A @samp{;} in @var{value} is translated to @samp{:} if running under
+Unix, in order to have a single @file{texmf.cnf} that can support both
+Unix and Windows systems. This translation happens with any value, not
+just search paths, but fortunately in practice @samp{;} is not needed
+in other values.
 
 @item All definitions are read before anything is expanded, so you can
 use variables before they are defined (like Make, unlike most other
@@ -721,14 +734,15 @@ TEXINPUTS.latex = $latex2e_inputs
 
 @cindex shell scripts as configuration files
 @cindex configuration files as shell scripts.
-This format has obvious similarities to Bourne shell scripts---change
-the comment character to @code{#}, disallow spaces around the
-@code{=}, and get rid of the @code{.@var{name}} convention, and it
-could be run through the shell.  However, there seemed little
-advantage in this, since all the information would have to passed back
-to Kpathsea and parsed there anyway, since the @code{sh} process
-couldn't affect its parent's environment.
-
+This format has some similarity to Bourne shell scripts---change the
+comment character to @code{#}, disallow spaces around the @code{=},
+and get rid of the @code{.@var{name}} convention, and it could be run
+through the shell.  However, there seemed little advantage in this,
+since all the information would have to passed back to Kpathsea and
+parsed there anyway, since the @code{sh} process couldn't affect its
+parent's environment.
+
+@kindex = @r{omitted in @file{texmf.cnf} and misparsing}
 The combination of spaces being ignored before the @code{.} of a
 program name qualifer and the optional @samp{=} for the assignment has
 an unexpected consequence: if the value begins with a literal @samp{.}
@@ -739,6 +753,15 @@ an empty value for @code{var} running under the program named
 name contains a path separator or other special character.  The
 simplest way to avoid the problem is to use the @code{=}.
 
+Exactly when a character will be considered special or act as itself
+depends on the context in which it is used. The rules are inherent in
+the multiple levels of interpretation of the configuration (parsing,
+expansion, search, @dots{}) and so cannot be concisely stated,
+unfortunately. There is no general escape mechanism; in particular,
+@samp{\} is not an ``escape character'' in @file{texmf.cnf} files.
+When it comes choosing directory names for installation, it is safest to
+avoid them all.
+
 @flindex cnf.c
 The implementation of all this is in @file{kpathsea/cnf.c}.
 
@@ -1024,11 +1047,11 @@ You can disable the trick by undefining @code{ST_NLINK_TRICK} in
 Unfortunately, in some cases files in leaf directories are
 @code{stat}'d: if the path specification is, say,
 @samp{$TEXMF/fonts//pk//}, then files in a subdirectory
-@samp{@dots{}/pk}, even if it is a leaf, are checked. The reason cannot
-be explained without reference to the implementation, so read
+@samp{@dots{}/pk}, even if it is a leaf, are checked. The reason
+cannot be explained without reference to the implementation, so read
 @file{kpathsea/elt-dirs.c} (search for @samp{may descend}) if you are
-curious.  And if you can find a way to @emph{solve} the problem, please
-let me know.
+curious.  And if you find a way to solve the problem, please let me
+know.
 
 @flindex elt-dirs.c
 Subdirectory expansion is implemented in the source file
@@ -1217,7 +1240,7 @@ happens with the elements of the leaf directory.
 
 Kpathsea goes to some lengths to minimize disk accesses for searches
 (@pxref{Subdirectory expansion}).  Nevertheless, in practice searching
-each possible directory in typical @TeX{} installations takes an
+every possible directory in typical @TeX{} installations takes an
 excessively long time.
 
 Therefore, Kpathsea can use an externally-built @dfn{filename
@@ -1225,8 +1248,7 @@ database} file named @file{ls-R} that maps files to directories, thus
 avoiding the need to exhaustively search the disk.
 
 A second database file @file{aliases} allows you to give additional
-names to the files listed in @file{ls-R}.  This can be helpful to adapt
-to ``8.3'' filename conventions in source files.
+names to the files listed in @file{ls-R}.
 
 The @file{ls-R} and @file{aliases} features are implemented in the
 source file @file{kpathsea/db.c}.