remove (' from chars that can follow ${' command substitution; fix for empty command substitutions; fix for adding incomplete command substitutions to history; fix for function source file with -c command; fix for EOF at PS2 when ignoreeof is set

doc/bashref.log

@@ -1,12 +1,11 @@
-This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021/MacPorts 2021.58693_0) (preloaded format=pdfetex 2021.8.30)  20 MAY 2023 11:02
+This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021/MacPorts 2021.58693_0) (preloaded format=pdfetex 2021.8.30)  23 MAY 2023 11:32
 entering extended mode
  restricted \write18 enabled.
  file:line:error style messages enabled.
  %&-line parsing enabled.
-**\input /usr/local/src/bash/bash-20230515/doc/bashref.texi \input /usr/local/s
-rc/bash/bash-20230515/doc/bashref.texi
-(/usr/local/src/bash/bash-20230515/doc/bashref.texi
-(/usr/local/src/bash/bash-20230515/doc/texinfo.tex
+**\input /usr/local/src/bash/bash-20230522/doc/bashref.texi
+(/usr/local/src/bash/bash-20230522/doc/bashref.texi
+(/usr/local/src/bash/bash-20230522/doc/texinfo.tex
 Loading texinfo [version 2015-11-22.14]:
 \outerhsize=\dimen16
 \outervsize=\dimen17
@@ -162,15 +161,15 @@ This is `epsf.tex' v2.7.4 <14 February 2011>
 texinfo.tex: doing @include of version.texi
 
 
-(/usr/local/src/bash/bash-20230515/doc/version.texi) [1{/opt/local/var/db/texmf
+(/usr/local/src/bash/bash-20230522/doc/version.texi) [1{/opt/local/var/db/texmf
 /fonts/map/pdftex/updmap/pdftex.map}] [2]
-(/usr/local/build/bash/bash-20230515/doc/bashref.toc [-1] [-2] [-3]) [-4]
-(/usr/local/build/bash/bash-20230515/doc/bashref.toc)
-(/usr/local/build/bash/bash-20230515/doc/bashref.toc) Chapter 1
+(/usr/local/build/bash/bash-20230522/doc/bashref.toc [-1] [-2] [-3]) [-4]
+(/usr/local/build/bash/bash-20230522/doc/bashref.toc)
+(/usr/local/build/bash/bash-20230522/doc/bashref.toc) Chapter 1
 \openout0 = `bashref.toc'.
 
 
-(/usr/local/build/bash/bash-20230515/doc/bashref.aux)
+(/usr/local/build/bash/bash-20230522/doc/bashref.aux)
 \openout1 = `bashref.aux'.
 
  Chapter 2 [1] [2]
@@ -230,7 +229,7 @@ Overfull \hbox (5.95723pt too wide) in paragraph at lines 724--725
  [49] [50] [51]
 [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66]
 [67]
-Overfull \hbox (38.26585pt too wide) in paragraph at lines 5360--5360
+Overfull \hbox (38.26585pt too wide) in paragraph at lines 5358--5358
  []@texttt set [-abefhkmnptuvxBCEHPT] [-o @textttsl option-name@texttt ] [--] [
 -] [@textttsl ar-gu-ment []@texttt ][] 
 
@@ -243,7 +242,7 @@ Overfull \hbox (38.26585pt too wide) in paragraph at lines 5360--5360
 .etc.
 
 
-Overfull \hbox (38.26585pt too wide) in paragraph at lines 5361--5361
+Overfull \hbox (38.26585pt too wide) in paragraph at lines 5359--5359
  []@texttt set [+abefhkmnptuvxBCEHPT] [+o @textttsl option-name@texttt ] [--] [
 -] [@textttsl ar-gu-ment []@texttt ][] 
 
@@ -262,7 +261,7 @@ Overfull \hbox (38.26585pt too wide) in paragraph at lines 5361--5361
 [118] [119]
 texinfo.tex: doing @include of rluser.texi
 
- (/usr/local/src/bash/bash-20230515/lib/readline/doc/rluser.texi
+ (/usr/local/src/bash/bash-20230522/lib/readline/doc/rluser.texi
 Chapter 8 [120] [121] [122] [123] [124] [125] [126] [127] [128] [129] [130]
 [131]
 Underfull \hbox (badness 7540) in paragraph at lines 874--880
@@ -312,10 +311,10 @@ gnored[]
 texinfo.tex: doing @include of hsuser.texi
 
 
-(/usr/local/src/bash/bash-20230515/lib/readline/doc/hsuser.texi Chapter 9
+(/usr/local/src/bash/bash-20230522/lib/readline/doc/hsuser.texi Chapter 9
 [155] [156] [157] [158] [159] [160]) Chapter 10 [161] [162] [163] [164]
 [165]
-Underfull \hbox (badness 10000) in paragraph at lines 9640--9649
+Underfull \hbox (badness 10000) in paragraph at lines 9638--9647
 []@textrm All of the fol-low-ing op-tions ex-cept for `@texttt alt-array-implem
 entation[]@textrm '[],
 
@@ -328,7 +327,7 @@ entation[]@textrm '[],
 .etc.
 
 
-Underfull \hbox (badness 10000) in paragraph at lines 9640--9649
+Underfull \hbox (badness 10000) in paragraph at lines 9638--9647
 @textrm `@texttt disabled-builtins[]@textrm '[], `@texttt direxpand-default[]@t
 extrm '[], `@texttt strict-posix-default[]@textrm '[], and
 
@@ -344,7 +343,7 @@ extrm '[], `@texttt strict-posix-default[]@textrm '[], and
 [175] [176] Appendix C [177]
 texinfo.tex: doing @include of fdl.texi
 
- (/usr/local/src/bash/bash-20230515/doc/fdl.texi
+ (/usr/local/src/bash/bash-20230522/doc/fdl.texi
 [178] [179] [180] [181] [182] [183] [184]) Appendix D [185] [186] [187]
 [188] [189] [190] [191] [192] [193] [194] ) 
 Here is how much of TeX's memory you used:
@@ -354,7 +353,7 @@ Here is how much of TeX's memory you used:
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  34315 words of font info for 116 fonts, out of 8000000 for 9000
  51 hyphenation exceptions out of 8191
- 16i,6n,16p,389b,983s stack positions out of 5000i,500n,10000p,200000b,80000s
+ 16i,6n,16p,331b,983s stack positions out of 5000i,500n,10000p,200000b,80000s
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-Output written on bashref.pdf (200 pages, 807897 bytes).
+Output written on bashref.pdf (200 pages, 807513 bytes).
 PDF statistics:
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- 2553 compressed objects within 26 object streams
+ 2799 PDF objects out of 2984 (max. 8388607)
+ 2552 compressed objects within 26 object streams
  328 named destinations out of 1000 (max. 500000)
  1157 words of extra memory for PDF output out of 10000 (max. 10000000)