mention new vf->jfm fallback feature

git-svn-id: svn://tug.org/texlive/trunk@55217 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 173 insertions, 169 deletions

diff --git a/Build/source/texk/dvipsk/ChangeLog b/Build/source/texk/dvipsk/ChangeLog
index c7c4967ba61..6f428e1668e 100644
--- a/Build/source/texk/dvipsk/ChangeLog
+++ b/Build/source/texk/dvipsk/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-20  Karl Berry  <karl@freefriends.org>
+
+	* dvips.texi (Virtual fonts): add brief mention of this new vf/jfm
+	feature, from Takuji. Update all ctan links while here.
+
 2020-05-10  TANAKA Takuji  <ttk@t-lab.opal.ne.jp>
 
 	* uptex-vf.test, testdata/upjf.{tex,dvi,tfm},
diff --git a/Build/source/texk/dvipsk/dvips.info b/Build/source/texk/dvipsk/dvips.info
index 9556053fede..db6d9a997a4 100644
--- a/Build/source/texk/dvipsk/dvips.info
+++ b/Build/source/texk/dvipsk/dvips.info
@@ -1,6 +1,6 @@
 This is dvips.info, produced by makeinfo version 6.7 from dvips.texi.
 
-This manual documents Dvips version 2020.1 (January 2020), a program to
+This manual documents Dvips version 2020.1 (May 2020), a program to
 translate a DVI file into PostScript.  You may freely use, modify and/or
 distribute this file.
 INFO-DIR-SECTION TeX
@@ -16,7 +16,7 @@ File: dvips.info,  Node: Top,  Next: Why Dvips,  Up: (dir)
 Dvips
 *****
 
-This manual documents Dvips version 2020.1 (January 2020), a program to
+This manual documents Dvips version 2020.1 (May 2020), a program to
 translate a DVI file into PostScript.  You may freely use, modify and/or
 distribute this file.
 
@@ -75,22 +75,14 @@ different size can be used instead, although Dvips will complain loudly
 about the poor aesthetics of the resulting output.
 
    One of the most important features is the support of virtual fonts,
-which add an entirely new level of flexibility to TeX.  Virtual fonts
-are used to give Dvips its excellent PostScript font support, handling
-all the font remapping in a natural, portable, elegant, and extensible
-way.  Dvips even comes with its own Afm2tfm program that creates the
-necessary virtual fonts and TeX font metric files automatically from the
-Adobe font metric files.
+which add an entirely new level of flexibility to TeX.  Dvips even comes
+with its own Afm2tfm program that can create the virtual fonts and TeX
+font metric files automatically from Adobe font metric files.
 
    Source is provided and freely distributable, so adding a
 site-specific feature is possible.  Adding such features is made easier
 by the highly modular structure of the program.
 
-   There is really no reason to use another driver, and the more people
-use Dvips, the less time will be spent fighting with PostScript and the
-more time will be available to create beautiful documents.  So if you
-don't use Dvips on your system, get it today.
-
    Tom Rokicki wrote and maintains the original Dvips program.
 
 
@@ -1632,7 +1624,7 @@ File: dvips.info,  Node: \includegraphics,  Next: EPSF macros,  Prev: Bounding b
 
 Once the figure file has a bounding box comment (see the previous
 section) you are ready to import the graphic into a LaTeX document.  For
-LaTeX 2e, you can use the epsf, graphics or graphicx packages, but the
+LaTeX2e, you can use the epsf, graphics or graphicx packages, but the
 last is recommended--it has the most flexible syntax, and is briefly
 described here.  Further information can be found in 'grfguide' or
 'epslatex', which should be included in your LaTeX distribution in DVI,
@@ -1685,7 +1677,7 @@ File: dvips.info,  Node: EPSF macros,  Next: psfile special,  Prev: \includegrap
 5.1.3 Using the EPSF macros
 ---------------------------
 
-If you are using LaTeX 2e, use the 'graphics' or 'graphicx' package.
+If you are using LaTeX2e, use the 'graphics' or 'graphicx' package.
 *Note \includegraphics::.
 
    If you are using plain TeX or LaTeX 2.09, you need 'epsf.tex' (for
@@ -2294,14 +2286,13 @@ interpreters as well.)  Various versions of both PC and Unix distillers
 are supported; Ghostscript includes limited distiller support (*note
 Ghostscript installation::).
 
-   Macros you can use in your TeX document to insert the specials in the
-first place are available from 'CTAN:/support/hypertex'.  For CTAN info,
-*note (kpathsea)unixtex.ftp::.
+   By far the most common LaTeX package used to create hyperlinked
+output is 'hyperref' (<https://ctan.org/pkg/hyperref>).  For plain TeX,
+the Eplain package has some hyperlink support
+(<https://tug.org/eplain>).
 
    This hypertext support (and original form of the documentation) was
 written by Mark Doyle and Tanmoy Bhattacharya as the 'dvihps' program.
-You can retrieve their software and additional documentation via the
-CTAN reference above.
 
 * Menu:
 
@@ -2351,9 +2342,8 @@ starting '%%BeginFont: CMR10' followed by an entry '/FontType 1 def'.
 distribution may make those fonts available in a separate optional
 package (e.g., 'tetex-extra' in Debian).  Failing that, commercial
 versions of the Computer Modern fonts are available from Blue Sky;
-public domain versions - in particular, the lm fonts, and the cm-super
-fonts, are available from CTAN sites (for CTAN info, *note
-(kpathsea)unixtex.ftp::).
+public domain versions, in particular, the lm and cm-super font
+families, are available from CTAN and in TeX distributions.
 
    You can convert a PostScript file to PDF using 'distill', which comes
 with Adobe Acrobat, or 'ps2pdf', which comes with Ghostscript.  The
@@ -2625,8 +2615,8 @@ for understanding enough about virtual fonts to use them with Dvips.  It
 isn't a reference manual on virtual fonts.  For more information: The
 primary document on virtual fonts is Donald E. Knuth, 'TUGboat' 11(1),
 Apr. 1990, pp. 13-23, "Virtual Fonts: More Fun for Grand Wizards"
-('CTAN:/info/virtual-fonts.knuth'; for CTAN info, *note
-(kpathsea)unixtex.ftp::).  (Don't be intimidated by the subtitle.)
+(<mirror.ctan.org/info/virtual-fonts.knuth>).  (Don't be intimidated by
+the subtitle.)
 
    A virtual font ('.vf') file specifies, for each character in the
 virtual font, a recipe for typesetting that character.  A VF file, like
@@ -2647,7 +2637,14 @@ when you run 'vptovf'.
 
    You can "expand" virtual fonts into their base fonts with DVIcopy
 (*note (web2c)dvicopy invocation::).  This is useful if you are using a
-DVI translator that doesn't understand vf's itself.
+DVI translator that doesn't itself understand vf's.
+
+   If a virtual font has no entry at a given codepoint and the first
+'MAPFONT' designates an (u)pTeX JFM, we designate the glyph of the same
+codepoint in the TFM(JFM) with the smallest font ID. This feature helps
+to reduce the size of Japanese virtual fonts.  For more information
+about the extensive support of Japanese in TeX, see
+<https://github.com/texjporg>.
 
 
 File: dvips.info,  Node: Encodings,  Next: Bitmap font encodings,  Prev: Virtual fonts,  Up: Font concepts
@@ -2934,8 +2931,8 @@ especially by the reencodings you can specify with those options.  You
 can also obtain special effects such as an oblique font.
 
    Alternatives to Afm2tfm for creating virtual fonts include 'fontinst'
-<http://ctan.org/pkg/fontinst>, 'lcdf-typetools', particularly
-'otftotfm' (<http://ctan.org/pkg/lcdf-typetools>), and 'afm2p'
+<https://ctan.org/pkg/fontinst>, 'lcdf-typetools', particularly
+'otftotfm' (<https://ctan.org/pkg/lcdf-typetools>), and 'afm2pl'
 (<http://tex.aanhet.net/afm2pl/>), among others.
 
 * Menu:
@@ -3474,9 +3471,10 @@ plain TeX file the command:
      \input colordvi
 For (the obsolete) LaTeX 2.09, add the 'colordvi' style option as in:
      \documentstyle[12pt,colordvi]{article}
-For LaTeX 2e, these examples are not applicable.  Instead, please see
-the documentation for the graphics package, available from
-'CTAN:doc/latex/graphics/'.  See also 'CTAN:doc/epslatex.ps'.
+For LaTeX2e, these examples are not applicable.  Instead, please see the
+documentation for the graphics package
+(<https://ctan.org/pkg/graphics>), and the epslatex document
+(<https://ctan.org/pkg/epslatex>).
 
    These macros provide two basic kinds of color macros: ones for local
 color changes (a few words, a single symbol) and one for global color
@@ -3897,7 +3895,7 @@ Index
                                                               (line  43)
 * \AA:                                   Reencoding with Afm2tfm.
                                                               (line  43)
-* \COLORNAME:                            Color macro files.   (line  30)
+* \COLORNAME:                            Color macro files.   (line  31)
 * \dot:                                  Reencoding with Afm2tfm.
                                                               (line  43)
 * \epsffile macro:                       EPSF macros.         (line  38)
@@ -3911,7 +3909,7 @@ Index
 * \leavevmode:                           EPSF macros.         (line  26)
 * \magnification:                        EPSF scaling.        (line  62)
 * \rotninety:                            Literal examples.    (line  27)
-* \textCOLORNAME:                        Color macro files.   (line  45)
+* \textCOLORNAME:                        Color macro files.   (line  46)
 * | starting output filename:            Option details.      (line 247)
 * a config command (conserve memory):    Configuration file commands.
                                                               (line  21)
@@ -3954,7 +3952,7 @@ Index
 * bbfig:                                 Bounding box.        (line  37)
 * before header, inserting code:         Including headers from TeX.
                                                               (line  28)
-* Bhattacharya, Tanmoy:                  Hypertext.           (line  21)
+* Bhattacharya, Tanmoy:                  Hypertext.           (line  22)
 * big points:                            Bounding box.        (line  11)
 * binary files, not supported:           Including graphics fails.
                                                               (line  23)
@@ -4001,8 +3999,8 @@ Index
 * color configuration:                   Color device configuration.
                                                               (line   6)
 * color macros:                          Color macro files.   (line   6)
-* color names, mixed case:               Color macro files.   (line  16)
-* color nesting level:                   Color macro files.   (line  38)
+* color names, mixed case:               Color macro files.   (line  17)
+* color nesting level:                   Color macro files.   (line  39)
 * color separations:                     Option details.      (line  31)
 * color specifications:                  Color specifications.
                                                               (line   6)
@@ -4057,7 +4055,7 @@ Index
 * copies, collated:                      Option details.      (line  51)
 * copies, duplicated page bodies:        Option details.      (line  31)
 * copies, uncollated:                    Option details.      (line  46)
-* Crayola crayon box:                    Color macro files.   (line  16)
+* Crayola crayon box:                    Color macro files.   (line  17)
 * crop.pro:                              Option details.      (line 157)
 * cropmarks:                             Option details.      (line 157)
 * current font, in PostScript:           PostScript typesetting.
@@ -4091,13 +4089,13 @@ Index
 * double-sided printing:                 Option details.      (line  37)
 * downloading fonts partially:           psfonts.map.         (line  55)
 * downloading PostScript fonts:          psfonts.map.         (line   6)
-* Doyle, Mark:                           Hypertext.           (line  21)
+* Doyle, Mark:                           Hypertext.           (line  22)
 * draft copies:                          PostScript hooks.    (line  16)
 * dual paper trays:                      Paper trays.         (line   6)
 * duplex printers:                       Including headers from the command line.
                                                               (line  13)
 * DVI magnification:                     EPSF scaling.        (line  62)
-* dvihps, hyperdvi to PostScript:        Hypertext.           (line  21)
+* dvihps, hyperdvi to PostScript:        Hypertext.           (line  22)
 * Dvips configuration file options:      Configuration file commands.
                                                               (line   6)
 * dvips-all.enc:                         Bitmap font encodings.
@@ -4256,8 +4254,7 @@ Index
 * hsize (psfile special option):         psfile special.      (line  24)
 * html specials:                         Hypertext.           (line   6)
 * html specials, and -z:                 Option details.      (line 410)
-* http://www.win.tue.nl/~dickie/idvi:    Hypertext.           (line  21)
-* http://xxx.lanl.gov/hypertex:          Hypertext.           (line  21)
+* http://xxx.lanl.gov/hypertex:          Hypertext.           (line  22)
 * Hungarian umlaut:                      Reencoding with Afm2tfm.
                                                               (line  32)
 * hyperdvi extensions, enabling:         Option details.      (line 410)
@@ -4268,7 +4265,6 @@ Index
 * hypertext support:                     Hypertext.           (line   6)
 * i config command (pages/section):      Configuration file commands.
                                                               (line  64)
-* idvi Java DVI reader:                  Hypertext.           (line  21)
 * Illustrator, workaround for:           Including graphics fails.
                                                               (line  10)
 * img:                                   Hypertext specials.  (line  52)
@@ -4291,8 +4287,9 @@ Index
 * invoking Dvips:                        Invoking Dvips.      (line   6)
 * j config command (partial font downloading): Configuration file commands.
                                                               (line  68)
-* Java DVI reader:                       Hypertext.           (line  21)
+* Japanese font metric file:             Virtual fonts.       (line  37)
 * Jeffrey, Alan:                         Invoking afm2tfm.    (line  13)
+* JFM file, and virtual font fallback:   Virtual fonts.       (line  37)
 * K config command (comment removal):    Configuration file commands.
                                                               (line  72)
 * kerning, defined:                      Metric files.        (line  15)
@@ -4422,7 +4419,7 @@ Index
 * pages, maximum printed:                Option details.      (line 209)
 * PaintType:                             Special font effects.
                                                               (line  50)
-* Pantone colors:                        Color macro files.   (line  16)
+* Pantone colors:                        Color macro files.   (line  17)
 * paper size configuration file command: Config file paper sizes.
                                                               (line   6)
 * paper size, default:                   config.ps installation.
@@ -4513,10 +4510,11 @@ Index
                                                               (line  19)
 * psfonts.map <2>:                       psfonts.map.         (line   6)
 * psheaderdir:                           Header files.        (line  12)
-* psi character missing:                 Hypertext caveats.   (line  54)
+* psi character missing:                 Hypertext caveats.   (line  53)
 * pstopk:                                Option details.      (line 384)
 * pTeX extensions:                       Option details.      (line 220)
 * pTeX extensions <1>:                   Option details.      (line 226)
+* ptex JFM:                              Virtual fonts.       (line  37)
 * q config command (quiet):              Configuration file commands.
                                                               (line 141)
 * Q config command (quiet):              Configuration file commands.
@@ -4544,7 +4542,7 @@ Index
 * resolution, setting:                   Option details.      (line  63)
 * reverse pagination:                    Option details.      (line 314)
 * rhi (psfile special option):           psfile special.      (line  46)
-* Rokicki, Tomas:                        Why Dvips.           (line  60)
+* Rokicki, Tomas:                        Why Dvips.           (line  52)
 * rotate.tex:                            ps special.          (line  33)
 * rwi (psfile special option):           psfile special.      (line  46)
 * s config command (global save/restore): Configuration file commands.
@@ -4587,7 +4585,7 @@ Index
 * small caps fonts:                      Special font effects.
                                                               (line  34)
 * Smith, Arthur:                         Hypertext specials.  (line   6)
-* spaces, dropped trailing:              Hypertext caveats.   (line  54)
+* spaces, dropped trailing:              Hypertext caveats.   (line  53)
 * specials, hypertext:                   Hypertext specials.  (line   6)
 * splines:                               Glyph files.         (line  17)
 * spooler, lacking:                      Option details.      (line 115)
@@ -4643,7 +4641,7 @@ Index
 * too-small output:                      Small or inverted.   (line   6)
 * trademark character, accessing:        Changing PostScript encodings.
                                                               (line  18)
-* trailing spaces, dropped:              Hypertext caveats.   (line  54)
+* trailing spaces, dropped:              Hypertext caveats.   (line  53)
 * TranScript:                            Option details.      (line 212)
 * transforming downloaded fonts:         psfonts.map.         (line  19)
 * trouble:                               Diagnosing problems. (line   6)
@@ -4659,6 +4657,7 @@ Index
 * unknown, paper format for -t:          papersize special.   (line  29)
 * unknown, paper format for -t <1>:      Config file paper sizes.
                                                               (line  69)
+* uptex JFM:                             Virtual fonts.       (line  37)
 * URL, definition:                       Hypertext specials.  (line  27)
 * URL, extended for TeX:                 Hypertext specials.  (line  20)
 * urx (psfile special option):           psfile special.      (line  42)
@@ -4706,84 +4705,84 @@ Index
 
 
 Tag Table:
-Node: Top520
-Node: Why Dvips1269
-Node: Installation4286
-Node: config.ps installation5289
-Node: PostScript font installation7896
-Node: Ghostscript installation8816
-Node: Diagnosing problems9753
-Node: Debug options10844
-Node: No output11848
-Node: Small or inverted13314
-Node: Printer errors14032
-Node: Long documents fail15364
-Node: Including graphics fails15705
-Node: Invoking Dvips16944
-Node: Basic usage17535
-Node: Command-line options18539
-Node: Option summary18987
-Node: Option details21236
-Node: Environment variables41202
-Node: Config files44063
-Node: Configuration file searching44733
-Node: Configuration file commands47930
-Node: Paper size and landscape55904
-Node: papersize special57529
-Node: Config file paper sizes59237
-Node: Paper trays63393
-Node: Interaction with PostScript64727
-Node: PostScript figures65380
-Node: Bounding box66106
-Node: \includegraphics69478
-Node: EPSF macros71771
-Node: EPSF scaling73740
-Node: EPSF clipping76310
-Node: psfile special76952
-Node: Dynamic creation of graphics79344
-Node: Fonts in figures80662
-Node: Header files82312
-Node: Including headers from TeX83518
-Node: Including headers from the command line85556
-Node: Headers and memory usage86655
-Node: Literal PS87866
-Node: " special88448
-Node: ps special89189
-Node: Literal headers90687
-Node: PostScript hooks91396
-Node: Literal examples93492
-Node: Hypertext94946
-Node: Hypertext caveats96175
-Node: Hypertext specials100563
-Node: PostScript fonts103197
-Node: Font concepts104314
-Node: Metric files105544
-Node: Glyph files108324
-Node: Virtual fonts110683
-Node: Encodings112509
-Node: Bitmap font encodings114911
-Node: PostScript typesetting117441
-Node: Making a font available120538
-Node: Invoking afm2tfm125572
-Node: Changing font encodings126589
-Node: Changing TeX encodings127380
-Node: Changing PostScript encodings128482
-Node: Changing both encodings129826
-Node: Reencoding with Afm2tfm130500
-Node: Encoding file format133603
-Node: Special font effects137807
-Node: Afm2tfm options140067
-Node: psfonts.map143592
-Node: Color148322
-Node: Color macro files149366
-Node: User-definable colors152559
-Node: Color subtleties153835
-Node: Ted Turner155487
-Node: Color device configuration156712
-Node: Color support details159156
-Node: Color specifications159534
-Node: Color specials160938
-Node: Index163067
+Node: Top516
+Node: Why Dvips1261
+Node: Installation3844
+Node: config.ps installation4847
+Node: PostScript font installation7454
+Node: Ghostscript installation8374
+Node: Diagnosing problems9311
+Node: Debug options10402
+Node: No output11406
+Node: Small or inverted12872
+Node: Printer errors13590
+Node: Long documents fail14922
+Node: Including graphics fails15263
+Node: Invoking Dvips16502
+Node: Basic usage17093
+Node: Command-line options18097
+Node: Option summary18545
+Node: Option details20794
+Node: Environment variables40760
+Node: Config files43621
+Node: Configuration file searching44291
+Node: Configuration file commands47488
+Node: Paper size and landscape55462
+Node: papersize special57087
+Node: Config file paper sizes58795
+Node: Paper trays62951
+Node: Interaction with PostScript64285
+Node: PostScript figures64938
+Node: Bounding box65664
+Node: \includegraphics69036
+Node: EPSF macros71328
+Node: EPSF scaling73296
+Node: EPSF clipping75866
+Node: psfile special76508
+Node: Dynamic creation of graphics78900
+Node: Fonts in figures80218
+Node: Header files81868
+Node: Including headers from TeX83074
+Node: Including headers from the command line85112
+Node: Headers and memory usage86211
+Node: Literal PS87422
+Node: " special88004
+Node: ps special88745
+Node: Literal headers90243
+Node: PostScript hooks90952
+Node: Literal examples93048
+Node: Hypertext94502
+Node: Hypertext caveats95676
+Node: Hypertext specials100032
+Node: PostScript fonts102666
+Node: Font concepts103783
+Node: Metric files105013
+Node: Glyph files107793
+Node: Virtual fonts110152
+Node: Encodings112307
+Node: Bitmap font encodings114709
+Node: PostScript typesetting117239
+Node: Making a font available120336
+Node: Invoking afm2tfm125370
+Node: Changing font encodings126390
+Node: Changing TeX encodings127181
+Node: Changing PostScript encodings128283
+Node: Changing both encodings129627
+Node: Reencoding with Afm2tfm130301
+Node: Encoding file format133404
+Node: Special font effects137608
+Node: Afm2tfm options139868
+Node: psfonts.map143393
+Node: Color148123
+Node: Color macro files149167
+Node: User-definable colors152377
+Node: Color subtleties153653
+Node: Ted Turner155305
+Node: Color device configuration156530
+Node: Color support details158974
+Node: Color specifications159352
+Node: Color specials160756
+Node: Index162885
 
 End Tag Table
 
diff --git a/Build/source/texk/dvipsk/dvips.texi b/Build/source/texk/dvipsk/dvips.texi
index b9a6b81a65d..f495b07b7fc 100644
--- a/Build/source/texk/dvipsk/dvips.texi
+++ b/Build/source/texk/dvipsk/dvips.texi
@@ -3,7 +3,7 @@
 @settitle Dvips: A DVI-to-PostScript translator
 
 @set version 2020.1
-@set month-year January 2020
+@set month-year May 2020
 
 @copying
 This manual documents Dvips version @value{version}
@@ -105,22 +105,15 @@ font at a different size can be used instead, although Dvips will
 complain loudly about the poor aesthetics of the resulting output.
 
 One of the most important features is the support of virtual fonts,
-which add an entirely new level of flexibility to @TeX{}.  Virtual fonts
-are used to give Dvips its excellent PostScript font support, handling
-all the font remapping in a natural, portable, elegant, and extensible
-way.  Dvips even comes with its own Afm2tfm program that creates
-the necessary virtual fonts and @TeX{} font metric files automatically
-from the Adobe font metric files.
+which add an entirely new level of flexibility to @TeX{}.  Dvips even
+comes with its own Afm2tfm program that can create the virtual fonts
+and @TeX{} font metric files automatically from Adobe font metric
+files.
 
 Source is provided and freely distributable, so adding a site-specific feature
 is possible.  Adding such features is made easier by the highly modular
 structure of the program.
 
-There is really no reason to use another driver, and the more people use
-Dvips, the less time will be spent fighting with PostScript and the
-more time will be available to create beautiful documents.
-So if you don't use Dvips on your system, get it today.
-
 @cindex Rokicki, Tomas
 Tom Rokicki wrote and maintains the original Dvips program.
 
@@ -1992,7 +1985,7 @@ the file.
 
 Once the figure file has a bounding box comment (see the previous
 section) you are ready to import the graphic into a La@TeX{}
-document. For @LaTeX{} 2e, you can use the epsf, graphics or graphicx
+document. For @LaTeX{}2e, you can use the epsf, graphics or graphicx
 packages, but the last is recommended---it has the most flexible
 syntax, and is briefly described here.  Further information can be
 found in @file{grfguide} or @file{epslatex}, which should be included
@@ -2058,7 +2051,7 @@ account.
 @cindex EPSF macros
 @cindex macros for epsf inclusion
 
-If you are using @LaTeX{} 2e, use the @samp{graphics} or @samp{graphicx}
+If you are using @LaTeX{}2e, use the @samp{graphics} or @samp{graphicx}
 package.  @xref{\includegraphics}.
 
 If you are using plain @TeX{} or La@TeX{} 2.09, you need @file{epsf.tex}
@@ -2886,22 +2879,18 @@ interpreters as well.)  Various versions of both PC and Unix distillers
 are supported; Ghostscript includes limited distiller support
 (@pxref{Ghostscript installation}).
 
-Macros you can use in your @TeX{} document to insert the specials in the
-first place are available from @file{@var{CTAN:}/support/hypertex}.  For
-CTAN info, @pxref{unixtex.ftp,,, kpathsea, Kpathsea}.
+By far the most common @LaTeX{} package used to create hyperlinked
+output is @code{hyperref} (@url{https://ctan.org/pkg/hyperref}).  For
+plain @TeX{}, the Eplain package has some hyperlink support
+(@url{https://tug.org/eplain}).
 
-@flindex @code{http://www.win.tue.nl/~dickie/idvi}
 @flindex @code{http://xxx.lanl.gov/hypertex}
 @cindex Doyle, Mark
 @cindex Bhattacharya, Tanmoy
-@cindex Java DVI reader
-@pindex idvi @r{Java DVI reader}
 @pindex dvihps@r{, hyperdvi to PostScript}
 This hypertext support (and original form of the documentation) was
 written by Mark Doyle and Tanmoy Bhattacharya as the @samp{dvihps}
-program. You can retrieve their software and additional documentation
-via the CTAN reference above.
-
+program.
 
 @menu
 * Hypertext caveats::       Font quality, missing character psi.
@@ -2958,9 +2947,9 @@ concepts}).  For example, the @file{cmr10} file might be in
 distribution may make those fonts available in a separate optional
 package (e.g., @code{tetex-extra} in Debian).  Failing that,
 commercial versions of the Computer Modern fonts are available from
-Blue Sky; public domain versions - in particular, the lm fonts, and
-the cm-super fonts, are available from CTAN sites (for CTAN info,
-@pxref{unixtex.ftp,,, kpathsea, Kpathsea}).
+Blue Sky; public domain versions, in particular, the lm 
+and cm-super font families, are available from CTAN and in @TeX{}
+distributions.
 
 You can convert a PostScript file to PDF using @code{distill}, which
 comes with Adobe Acrobat, or @code{ps2pdf}, which comes with
@@ -3288,16 +3277,16 @@ format is a historical artifact.)
 
 @cindex virtual fonts
 
-A @dfn{virtual font} is constructed by extracting characters from one or
-more existing fonts and rearranging them, or synthesizing new characters
-in various ways.  The explanation in this manual is intended to suffice
-for understanding enough about virtual fonts to use them with Dvips. It
-isn't a reference manual on virtual fonts.  For more information: The
-primary document on virtual fonts is Donald E. Knuth, @cite{TUGboat}
-11(1), Apr.@: 1990, pp.@: 13--23, ``Virtual Fonts: More Fun for Grand
-Wizards'' (@file{@var{CTAN:}/info/virtual-fonts.knuth}; for CTAN info,
-@pxref{unixtex.ftp,,, kpathsea, Kpathsea}).  (Don't be intimidated by
-the subtitle.)
+A @dfn{virtual font} is constructed by extracting characters from one
+or more existing fonts and rearranging them, or synthesizing new
+characters in various ways.  The explanation in this manual is
+intended to suffice for understanding enough about virtual fonts to
+use them with Dvips. It isn't a reference manual on virtual fonts.
+For more information: The primary document on virtual fonts is
+Donald@tie{}E. Knuth, @cite{TUGboat} 11(1), Apr.@: 1990, pp.@: 13--23,
+``Virtual Fonts: More Fun for Grand Wizards''
+(@url{mirror.ctan.org/info/virtual-fonts.knuth}).  (Don't be
+intimidated by the subtitle.)
 
 @cindex vf files
 @cindex vpl files
@@ -3325,7 +3314,18 @@ created when you run @code{vptovf}.
 @cindex virtual font expansion
 You can @dfn{expand} virtual fonts into their base fonts with DVIcopy
 (@pxref{dvicopy invocation,,, web2c, Web2c}).  This is useful if you are
-using a DVI translator that doesn't understand vf's itself.
+using a DVI translator that doesn't itself understand vf's.
+
+@pindex ptex @r{JFM}
+@pindex uptex @r{JFM}
+@cindex Japanese font metric file
+@cindex JFM file, and virtual font fallback
+If a virtual font has no entry at a given codepoint and the first
+@code{MAPFONT} designates an (u)pTeX JFM, we designate the glyph of
+the same codepoint in the TFM(JFM) with the smallest font ID.  This
+feature helps to reduce the size of Japanese virtual fonts.  For more
+information about the extensive support of Japanese in TeX, see
+@url{https://github.com/texjporg}.
 
 
 @node Encodings
@@ -3694,9 +3694,9 @@ can also obtain special effects such as an oblique font.
 @cindex virtual fonts, creating
 @cindex Jeffrey, Alan
 Alternatives to Afm2tfm for creating virtual fonts include
-@code{fontinst} @url{http://ctan.org/pkg/fontinst},
+@code{fontinst} @url{https://ctan.org/pkg/fontinst},
 @code{lcdf-typetools}, particularly @code{otftotfm}
-(@url{http://ctan.org/pkg/lcdf-typetools}), and @code{afm2p}
+(@url{https://ctan.org/pkg/lcdf-typetools}), and @code{afm2pl}
 (@url{http://tex.aanhet.net/afm2pl/}), among others.
 
 @menu
@@ -4399,10 +4399,10 @@ For (the obsolete) @LaTeX{} 2.09, add the @samp{colordvi} style option as in:
 \documentstyle[12pt,colordvi]@{article@}
 @end example
 @noindent
-For @LaTeX{} 2e, these examples are not applicable.  Instead, please see
-the documentation for the graphics package, available from
-@file{@var{CTAN}:doc/latex/graphics/}.  See also
-@file{@var{CTAN}:doc/epslatex.ps}.
+For @LaTeX{}2e, these examples are not applicable.  Instead, please see
+the documentation for the graphics package
+(@url{https://ctan.org/pkg/graphics}), and the epslatex document
+(@url{https://ctan.org/pkg/epslatex}).
 
 @cindex Crayola crayon box
 @cindex Pantone colors