minor portability fixes; printf now uses double for floating point conversions by default in posix mode

doc/bashref.info

@@ -2,9 +2,9 @@ This is bashref.info, produced by makeinfo version 6.8 from
 bashref.texi.
 
 This text is a brief description of the features that are present in the
-Bash shell (version 5.2, 24 February 2022).
+Bash shell (version 5.2, 11 April 2022).
 
-   This is Edition 5.2, last updated 24 February 2022, of 'The GNU Bash
+   This is Edition 5.2, last updated 11 April 2022, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.2.
 
    Copyright (C) 1988-2022 Free Software Foundation, Inc.
@@ -27,10 +27,10 @@ Bash Features
 *************
 
 This text is a brief description of the features that are present in the
-Bash shell (version 5.2, 24 February 2022).  The Bash home page is
+Bash shell (version 5.2, 11 April 2022).  The Bash home page is
 <http://www.gnu.org/software/bash/>.
 
-   This is Edition 5.2, last updated 24 February 2022, of 'The GNU Bash
+   This is Edition 5.2, last updated 11 April 2022, of 'The GNU Bash
 Reference Manual', for 'Bash', Version 5.2.
 
    Bash contains features that appear in other popular shells, and some
@@ -7249,7 +7249,12 @@ startup files.
      'read', the trap handler executes and 'read' returns an exit status
      greater than 128.
 
-  60. Bash removes an exited background process's status from the list
+  60. The 'printf' builting uses 'double' (via 'strtod') to convert
+     arguments corresponding to floating point conversion specifiers,
+     instead of 'long double' if it's available.  The 'L' length
+     modifier forces 'printf' to use 'long double' if it's available.
+
+  61. Bash removes an exited background process's status from the list
      of such statuses after the 'wait' builtin is used to obtain it.
 
    There is other POSIX behavior that Bash does not implement by default
@@ -12495,138 +12500,138 @@ D.5 Concept Index
 
 
 Tag Table:
-Node: Top897
-Node: Introduction2817
-Node: What is Bash?3033
-Node: What is a shell?4147
-Node: Definitions6685
-Node: Basic Shell Features9636
-Node: Shell Syntax10855
-Node: Shell Operation11881
-Node: Quoting13174
-Node: Escape Character14478
-Node: Single Quotes14963
-Node: Double Quotes15311
-Node: ANSI-C Quoting16589
-Node: Locale Translation17899
-Node: Creating Internationalized Scripts19210
-Node: Comments23327
-Node: Shell Commands23945
-Node: Reserved Words24883
-Node: Simple Commands25639
-Node: Pipelines26293
-Node: Lists29252
-Node: Compound Commands31047
-Node: Looping Constructs32059
-Node: Conditional Constructs34554
-Node: Command Grouping48898
-Node: Coprocesses50376
-Node: GNU Parallel53039
-Node: Shell Functions53956
-Node: Shell Parameters61841
-Node: Positional Parameters66229
-Node: Special Parameters67131
-Node: Shell Expansions70345
-Node: Brace Expansion72472
-Node: Tilde Expansion75206
-Node: Shell Parameter Expansion77827
-Node: Command Substitution96178
-Node: Arithmetic Expansion97533
-Node: Process Substitution98501
-Node: Word Splitting99621
-Node: Filename Expansion101565
-Node: Pattern Matching104314
-Node: Quote Removal108922
-Node: Redirections109217
-Node: Executing Commands118877
-Node: Simple Command Expansion119547
-Node: Command Search and Execution121657
-Node: Command Execution Environment124035
-Node: Environment127070
-Node: Exit Status128733
-Node: Signals130517
-Node: Shell Scripts133966
-Node: Shell Builtin Commands136993
-Node: Bourne Shell Builtins139031
-Node: Bash Builtins160492
-Node: Modifying Shell Behavior191348
-Node: The Set Builtin191693
-Node: The Shopt Builtin202294
-Node: Special Builtins218206
-Node: Shell Variables219185
-Node: Bourne Shell Variables219622
-Node: Bash Variables221726
-Node: Bash Features254542
-Node: Invoking Bash255555
-Node: Bash Startup Files261568
-Node: Interactive Shells266671
-Node: What is an Interactive Shell?267081
-Node: Is this Shell Interactive?267730
-Node: Interactive Shell Behavior268545
-Node: Bash Conditional Expressions272174
-Node: Shell Arithmetic276816
-Node: Aliases279760
-Node: Arrays282373
-Node: The Directory Stack288764
-Node: Directory Stack Builtins289548
-Node: Controlling the Prompt293808
-Node: The Restricted Shell296773
-Node: Bash POSIX Mode299383
-Node: Shell Compatibility Mode311033
-Node: Job Control319062
-Node: Job Control Basics319522
-Node: Job Control Builtins324524
-Node: Job Control Variables329924
-Node: Command Line Editing331080
-Node: Introduction and Notation332751
-Node: Readline Interaction334374
-Node: Readline Bare Essentials335565
-Node: Readline Movement Commands337348
-Node: Readline Killing Commands338308
-Node: Readline Arguments340226
-Node: Searching341270
-Node: Readline Init File343456
-Node: Readline Init File Syntax344717
-Node: Conditional Init Constructs367916
-Node: Sample Init File372112
-Node: Bindable Readline Commands375236
-Node: Commands For Moving376440
-Node: Commands For History378491
-Node: Commands For Text383485
-Node: Commands For Killing387134
-Node: Numeric Arguments390167
-Node: Commands For Completion391306
-Node: Keyboard Macros395497
-Node: Miscellaneous Commands396184
-Node: Readline vi Mode402123
-Node: Programmable Completion403030
-Node: Programmable Completion Builtins410810
-Node: A Programmable Completion Example421505
-Node: Using History Interactively426752
-Node: Bash History Facilities427436
-Node: Bash History Builtins430441
-Node: History Interaction435449
-Node: Event Designators439069
-Node: Word Designators440423
-Node: Modifiers442183
-Node: Installing Bash443994
-Node: Basic Installation445131
-Node: Compilers and Options448853
-Node: Compiling For Multiple Architectures449594
-Node: Installation Names451287
-Node: Specifying the System Type453396
-Node: Sharing Defaults454112
-Node: Operation Controls454785
-Node: Optional Features455743
-Node: Reporting Bugs466961
-Node: Major Differences From The Bourne Shell468236
-Node: GNU Free Documentation License485086
-Node: Indexes510263
-Node: Builtin Index510717
-Node: Reserved Word Index517544
-Node: Variable Index519992
-Node: Function Index536766
-Node: Concept Index550550
+Node: Top891
+Node: Introduction2805
+Node: What is Bash?3021
+Node: What is a shell?4135
+Node: Definitions6673
+Node: Basic Shell Features9624
+Node: Shell Syntax10843
+Node: Shell Operation11869
+Node: Quoting13162
+Node: Escape Character14466
+Node: Single Quotes14951
+Node: Double Quotes15299
+Node: ANSI-C Quoting16577
+Node: Locale Translation17887
+Node: Creating Internationalized Scripts19198
+Node: Comments23315
+Node: Shell Commands23933
+Node: Reserved Words24871
+Node: Simple Commands25627
+Node: Pipelines26281
+Node: Lists29240
+Node: Compound Commands31035
+Node: Looping Constructs32047
+Node: Conditional Constructs34542
+Node: Command Grouping48886
+Node: Coprocesses50364
+Node: GNU Parallel53027
+Node: Shell Functions53944
+Node: Shell Parameters61829
+Node: Positional Parameters66217
+Node: Special Parameters67119
+Node: Shell Expansions70333
+Node: Brace Expansion72460
+Node: Tilde Expansion75194
+Node: Shell Parameter Expansion77815
+Node: Command Substitution96166
+Node: Arithmetic Expansion97521
+Node: Process Substitution98489
+Node: Word Splitting99609
+Node: Filename Expansion101553
+Node: Pattern Matching104302
+Node: Quote Removal108910
+Node: Redirections109205
+Node: Executing Commands118865
+Node: Simple Command Expansion119535
+Node: Command Search and Execution121645
+Node: Command Execution Environment124023
+Node: Environment127058
+Node: Exit Status128721
+Node: Signals130505
+Node: Shell Scripts133954
+Node: Shell Builtin Commands136981
+Node: Bourne Shell Builtins139019
+Node: Bash Builtins160480
+Node: Modifying Shell Behavior191336
+Node: The Set Builtin191681
+Node: The Shopt Builtin202282
+Node: Special Builtins218194
+Node: Shell Variables219173
+Node: Bourne Shell Variables219610
+Node: Bash Variables221714
+Node: Bash Features254530
+Node: Invoking Bash255543
+Node: Bash Startup Files261556
+Node: Interactive Shells266659
+Node: What is an Interactive Shell?267069
+Node: Is this Shell Interactive?267718
+Node: Interactive Shell Behavior268533
+Node: Bash Conditional Expressions272162
+Node: Shell Arithmetic276804
+Node: Aliases279748
+Node: Arrays282361
+Node: The Directory Stack288752
+Node: Directory Stack Builtins289536
+Node: Controlling the Prompt293796
+Node: The Restricted Shell296761
+Node: Bash POSIX Mode299371
+Node: Shell Compatibility Mode311295
+Node: Job Control319324
+Node: Job Control Basics319784
+Node: Job Control Builtins324786
+Node: Job Control Variables330186
+Node: Command Line Editing331342
+Node: Introduction and Notation333013
+Node: Readline Interaction334636
+Node: Readline Bare Essentials335827
+Node: Readline Movement Commands337610
+Node: Readline Killing Commands338570
+Node: Readline Arguments340488
+Node: Searching341532
+Node: Readline Init File343718
+Node: Readline Init File Syntax344979
+Node: Conditional Init Constructs368178
+Node: Sample Init File372374
+Node: Bindable Readline Commands375498
+Node: Commands For Moving376702
+Node: Commands For History378753
+Node: Commands For Text383747
+Node: Commands For Killing387396
+Node: Numeric Arguments390429
+Node: Commands For Completion391568
+Node: Keyboard Macros395759
+Node: Miscellaneous Commands396446
+Node: Readline vi Mode402385
+Node: Programmable Completion403292
+Node: Programmable Completion Builtins411072
+Node: A Programmable Completion Example421767
+Node: Using History Interactively427014
+Node: Bash History Facilities427698
+Node: Bash History Builtins430703
+Node: History Interaction435711
+Node: Event Designators439331
+Node: Word Designators440685
+Node: Modifiers442445
+Node: Installing Bash444256
+Node: Basic Installation445393
+Node: Compilers and Options449115
+Node: Compiling For Multiple Architectures449856
+Node: Installation Names451549
+Node: Specifying the System Type453658
+Node: Sharing Defaults454374
+Node: Operation Controls455047
+Node: Optional Features456005
+Node: Reporting Bugs467223
+Node: Major Differences From The Bourne Shell468498
+Node: GNU Free Documentation License485348
+Node: Indexes510525
+Node: Builtin Index510979
+Node: Reserved Word Index517806
+Node: Variable Index520254
+Node: Function Index537028
+Node: Concept Index550812
 
 End Tag Table