;doc: change flags marker in command helps to suit latest pandoc

From _FLAGS_ to $FLAGS$, since latest pandoc strips the underscores
at a certain point in our docs rendering.

doc/common.m4

@@ -209,6 +209,7 @@ The journal file path when not specified with `-f`.
 Default: `~/.hledger.journal` (on windows, perhaps `C:/Users/USER/.hledger.journal`).
 }} )m4_dnl
 m4_dnl
-m4_dnl Dummy macro to strip _FLAGS_ marker in command docs.
-m4_define({{_FLAGS_}}, {{}})m4_dnl
+m4_dnl Dummy macro to strip $FLAGS$ marker in command docs.
+m4_dnl Not using underscore here, because latest pandoc strips those.
+m4_define({{$FLAGS$}}, {{}})m4_dnl
 m4_dnl

hledger/Hledger/Cli/CliOptions.hs

@@ -303,9 +303,9 @@ hledgerCommandMode doc unnamedflaggroup namedflaggroups hiddenflaggroup argsdesc
 --
 -- - First line: the command name then any aliases, as one or more space or comma-separated words
 --
--- - Second line to a line containing just _FLAGS_, or the end: the short help
+-- - Second line to a line containing just $FLAGS$, or the end: the short help
 --
--- - Any lines after _FLAGS_: the long help (split into lines for cmdargs)
+-- - Any lines after $FLAGS$: the long help (split into lines for cmdargs)
 --
 -- The CLI help displays the short help, then the cmdargs-generated
 -- flags list, then the long help (which some day we might make
@@ -319,7 +319,7 @@ parseCommandDoc t =
     (l:ls) -> Just (names, shorthelp, longhelplines)
       where
         names = words $ map (\c -> if c `elem` [',','\\'] then ' ' else c) l
-        (shorthelpls, longhelpls) = break (== "_FLAGS_") ls
+        (shorthelpls, longhelpls) = break (== "$FLAGS$") ls
         shorthelp = unlines $ reverse $ dropWhile null $ reverse shorthelpls
         longhelplines = dropWhile null $ drop 1 longhelpls
 

hledger/Hledger/Cli/Commands/Accounts.md

@@ -1,7 +1,7 @@
 accounts, a\
 Show account names.
 
-_FLAGS_
+$FLAGS$
 
 This command lists account names, either declared with account directives
 (--declared), posted to (--used), or both (the default).

hledger/Hledger/Cli/Commands/Accounts.txt

@@ -1,7 +1,7 @@
 accounts, a
 Show account names.
 
-_FLAGS_
+$FLAGS$
 
 This command lists account names, either declared with account
 directives (--declared), posted to (--used), or both (the default). With

hledger/Hledger/Cli/Commands/Activity.md

@@ -1,7 +1,7 @@
 activity\
 Show an ascii barchart of posting counts per interval.
 
-_FLAGS_
+$FLAGS$
 
 The activity command displays an ascii histogram showing transaction
 counts by day, week, month or other reporting interval (by day is the

hledger/Hledger/Cli/Commands/Activity.txt

@@ -1,7 +1,7 @@
 activity
 Show an ascii barchart of posting counts per interval.
 
-_FLAGS_
+$FLAGS$
 
 The activity command displays an ascii histogram showing transaction
 counts by day, week, month or other reporting interval (by day is the

hledger/Hledger/Cli/Commands/Add.md

@@ -1,7 +1,7 @@
 add\
 Prompt for transactions and add them to the journal.
 
-_FLAGS_
+$FLAGS$
 
 Many hledger users edit their journals directly with a text editor, or generate them from CSV.
 For more interactive data entry, there is the `add` command, 

hledger/Hledger/Cli/Commands/Add.txt

@@ -1,7 +1,7 @@
 add
 Prompt for transactions and add them to the journal.
 
-_FLAGS_
+$FLAGS$
 
 Many hledger users edit their journals directly with a text editor, or
 generate them from CSV. For more interactive data entry, there is the

hledger/Hledger/Cli/Commands/Balance.md

@@ -1,7 +1,7 @@
 balance, bal, b\
 Show accounts and their balances.
 
-_FLAGS_
+$FLAGS$
 
 The balance command is hledger's most versatile command.
 Note, despite the name, it is not always used for showing real-world account balances;

hledger/Hledger/Cli/Commands/Balance.txt

@@ -1,7 +1,7 @@
 balance, bal, b
 Show accounts and their balances.
 
-_FLAGS_
+$FLAGS$
 
 The balance command is hledger's most versatile command. Note, despite
 the name, it is not always used for showing real-world account balances;

hledger/Hledger/Cli/Commands/Balancesheet.md

@@ -8,7 +8,7 @@ Note this report shows all account balances with normal positive sign
 (like conventional financial statements, unlike balance/print/register)
 (experimental).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/Balancesheet.txt

@@ -8,7 +8,7 @@ Note this report shows all account balances with normal positive sign
 (like conventional financial statements, unlike balance/print/register)
 (experimental).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/Balancesheetequity.md

@@ -2,7 +2,7 @@ balancesheetequity, bse\
 Just like [balancesheet](#balancesheet), but also reports Equity
 (which it assumes is under a top-level `equity` account).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 ```shell

hledger/Hledger/Cli/Commands/Balancesheetequity.txt

@@ -2,7 +2,7 @@ balancesheetequity, bse
 Just like balancesheet, but also reports Equity (which it assumes is
 under a top-level equity account).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/Cashflow.md

@@ -7,7 +7,7 @@ Note this report shows all account balances with normal positive sign
 (like conventional financial statements, unlike balance/print/register)
 (experimental).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 ```shell

hledger/Hledger/Cli/Commands/Cashflow.txt

@@ -6,7 +6,7 @@ contain receivable or A/R in their name. Note this report shows all
 account balances with normal positive sign (like conventional financial
 statements, unlike balance/print/register) (experimental).
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/Checkdates.md

@@ -5,4 +5,4 @@ With --strict, dates must also be unique.
 With a query, only matched transactions' dates are checked.
 Reads the default journal file, or another specified with -f.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Checkdates.txt

@@ -4,4 +4,4 @@ checks secondary dates instead. With --strict, dates must also be
 unique. With a query, only matched transactions' dates are checked.
 Reads the default journal file, or another specified with -f.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Checkdupes.md

@@ -3,6 +3,6 @@ Reports account names having the same leaf but different prefixes.
 In other words, two or more leaves that are categorized differently.
 Reads the default journal file, or another specified as an argument.
 
-_FLAGS_
+$FLAGS$
 
 An example: http://stefanorodighiero.net/software/hledger-dupes.html

hledger/Hledger/Cli/Commands/Checkdupes.txt

@@ -3,6 +3,6 @@ Reports account names having the same leaf but different prefixes. In
 other words, two or more leaves that are categorized differently. Reads
 the default journal file, or another specified as an argument.
 
-_FLAGS_
+$FLAGS$
 
 An example: http://stefanorodighiero.net/software/hledger-dupes.html

hledger/Hledger/Cli/Commands/Close.md

@@ -5,7 +5,7 @@ Useful for bringing asset/liability balances forward into a new journal file,
 or for closing out revenues/expenses to retained earnings at the end of a
 period.
 
-_FLAGS_
+$FLAGS$
 
 The closing transaction transfers balances to "equity:closing balances",
 and the opening transaction transfers balances from "equity:opening balances",

hledger/Hledger/Cli/Commands/Close.txt

@@ -5,7 +5,7 @@ Useful for bringing asset/liability balances forward into a new journal
 file, or for closing out revenues/expenses to retained earnings at the
 end of a period.
 
-_FLAGS_
+$FLAGS$
 
 The closing transaction transfers balances to "equity:closing balances",
 and the opening transaction transfers balances from "equity:opening
@@ -51,8 +51,8 @@ Examples:
 Carrying asset/liability balances into a new file for 2019, all from
 command line:
 
-_Warning: we use >> here to append; be careful not to type a single >
-which would wipe your journal!_
+Warning: we use >> here to append; be careful not to type a single >
+which would wipe your journal!
 
 $ hledger close -f 2018.journal -e 2019 assets liabilities --opening >>2019.journal
 $ hledger close -f 2018.journal -e 2019 assets liabilities --closing >>2018.journal

hledger/Hledger/Cli/Commands/Commodities.md

@@ -1,4 +1,4 @@
 commodities\
 List all commodity/currency symbols used or declared in the journal.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Commodities.txt

@@ -1,4 +1,4 @@
 commodities
 List all commodity/currency symbols used or declared in the journal.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Descriptions.md

@@ -1,7 +1,7 @@
 descriptions
 Show descriptions.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all descriptions that appear in transactions.
 

hledger/Hledger/Cli/Commands/Descriptions.txt

@@ -1,6 +1,6 @@
 descriptions Show descriptions.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all descriptions that appear in transactions.
 

hledger/Hledger/Cli/Commands/Diff.md

@@ -15,7 +15,7 @@ from your bank (eg as CSV data). When hledger and your bank disagree
 about the account balance, you can compare the bank data with your
 journal to find out the cause. 
 
-_FLAGS_
+$FLAGS$
 
 Examples:
 

hledger/Hledger/Cli/Commands/Diff.txt

@@ -14,7 +14,7 @@ your bank (eg as CSV data). When hledger and your bank disagree about
 the account balance, you can compare the bank data with your journal to
 find out the cause.
 
-_FLAGS_
+$FLAGS$
 
 Examples:
 

hledger/Hledger/Cli/Commands/Files.md

@@ -2,4 +2,4 @@ files\
 List all files included in the journal. With a REGEX argument,
 only file names matching the regular expression (case sensitive) are shown.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Files.txt

@@ -2,4 +2,4 @@ files
 List all files included in the journal. With a REGEX argument, only file
 names matching the regular expression (case sensitive) are shown.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Help.md

@@ -1,7 +1,7 @@
 help\
 Show any of the hledger manuals.
 
-_FLAGS_
+$FLAGS$
 
 The `help` command displays any of the main [hledger manuals](/docs.html), in one of several ways.
 Run it with no argument to list the manuals, or provide a full or partial manual name to select one.

hledger/Hledger/Cli/Commands/Help.txt

@@ -1,7 +1,7 @@
 help
 Show any of the hledger manuals.
 
-_FLAGS_
+$FLAGS$
 
 The help command displays any of the main hledger manuals, in one of
 several ways. Run it with no argument to list the manuals, or provide a

hledger/Hledger/Cli/Commands/Import.md

@@ -4,7 +4,7 @@ the main journal file. Or with --dry-run, just print the transactions
 that would be added. Or with --catchup, just mark all of the FILEs'
 transactions as imported, without actually importing any.
 
-_FLAGS_
+$FLAGS$
 
 The input files are specified as arguments - no need to write -f before each one.
 So eg to add new transactions from all CSV files to the main journal, it's just: 

hledger/Hledger/Cli/Commands/Import.txt

@@ -4,7 +4,7 @@ the main journal file. Or with --dry-run, just print the transactions
 that would be added. Or with --catchup, just mark all of the FILEs'
 transactions as imported, without actually importing any.
 
-_FLAGS_
+$FLAGS$
 
 The input files are specified as arguments - no need to write -f before
 each one. So eg to add new transactions from all CSV files to the main

hledger/Hledger/Cli/Commands/Incomestatement.md

@@ -7,7 +7,7 @@ Note this report shows all account balances with normal positive sign
 (like conventional financial statements, unlike balance/print/register)
 (experimental).
 
-_FLAGS_
+$FLAGS$
 
 This command displays a simple
 [income statement](http://en.wikipedia.org/wiki/Income_statement).  It

hledger/Hledger/Cli/Commands/Incomestatement.txt

@@ -6,7 +6,7 @@ forms also allowed). Note this report shows all account balances with
 normal positive sign (like conventional financial statements, unlike
 balance/print/register) (experimental).
 
-_FLAGS_
+$FLAGS$
 
 This command displays a simple income statement. It currently assumes
 that you have top-level accounts named income (or revenue) and expense

hledger/Hledger/Cli/Commands/Notes.md

@@ -1,7 +1,7 @@
 notes
 Show notes.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all notes that appear in transactions.
 

hledger/Hledger/Cli/Commands/Notes.txt

@@ -1,6 +1,6 @@
 notes Show notes.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all notes that appear in transactions.
 

hledger/Hledger/Cli/Commands/Payees.md

@@ -1,7 +1,7 @@
 payees
 Show payee names.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all payee names that appear in transactions.
 

hledger/Hledger/Cli/Commands/Payees.txt

@@ -1,6 +1,6 @@
 payees Show payee names.
 
-_FLAGS_
+$FLAGS$
 
 This command lists all payee names that appear in transactions.
 

hledger/Hledger/Cli/Commands/Prices.md

@@ -5,4 +5,4 @@ With --inverted-costs, also print inverse prices based on transaction prices.
 Prices (and postings providing prices) can be filtered by a query.
 Price amounts are always displayed with their full precision.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Prices.txt

@@ -5,4 +5,4 @@ synthetic market prices based on transaction prices. With
 Prices (and postings providing prices) can be filtered by a query. Price
 amounts are always displayed with their full precision.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Print.md

@@ -1,7 +1,7 @@
 print, txns, p\
 Show transaction journal entries, sorted by date. 
 
-_FLAGS_
+$FLAGS$
 
 The print command displays full journal entries (transactions) from
 the journal file in date order, tidily formatted.

hledger/Hledger/Cli/Commands/Print.txt

@@ -1,7 +1,7 @@
 print, txns, p
 Show transaction journal entries, sorted by date.
 
-_FLAGS_
+$FLAGS$
 
 The print command displays full journal entries (transactions) from the
 journal file in date order, tidily formatted. With --date2, transactions

hledger/Hledger/Cli/Commands/Printunique.md

@@ -1,7 +1,7 @@
 print-unique\
 Print transactions which do not reuse an already-seen description.
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/Printunique.txt

@@ -1,7 +1,7 @@
 print-unique
 Print transactions which do not reuse an already-seen description.
 
-_FLAGS_
+$FLAGS$
 
 Example:
 

hledger/Hledger/Cli/Commands/README.md

@@ -58,12 +58,12 @@ Here are more special features/conventions of command doc files (see
   markdown formatting though, eg to define a list.
 
 - After the short help, there should be a paragraph containing just
-  _FLAGS_. This marks the end of the short help, and it will be
+  $FLAGS$. This marks the end of the short help, and it will be
   replaced in command line help by the flags list. (Without it, the
   flags list appears at the end of command line help.) The flags list
   will not appear in the hledger manual.
 
-- Long help (as many paragraphs as needed) follows the _FLAGS_ marker.
+- Long help (as many paragraphs as needed) follows the $FLAGS$ marker.
   This often ends with one or more examples.
 
 

hledger/Hledger/Cli/Commands/Register.md

@@ -1,7 +1,7 @@
 register, reg, r\
 Show postings and their running total.
 
-_FLAGS_
+$FLAGS$
 
 The register command displays postings in date order, one per line,
 and their running total.  This is typically used with a

hledger/Hledger/Cli/Commands/Register.txt

@@ -1,7 +1,7 @@
 register, reg, r
 Show postings and their running total.
 
-_FLAGS_
+$FLAGS$
 
 The register command displays postings in date order, one per line, and
 their running total. This is typically used with a query selecting a
@@ -32,7 +32,7 @@ the whole report period). This flag implies --empty (see below). It is
 affected by --historical. It works best when showing just one account
 and one commodity.
 
-The --related/-r flag shows the _other_ postings in the transactions of
+The --related/-r flag shows the other postings in the transactions of
 the postings which would normally be shown.
 
 The --invert flag negates all amounts. For example, it can be used on an

hledger/Hledger/Cli/Commands/Registermatch.md

@@ -5,4 +5,4 @@ If there are multiple equally good matches, it shows the most recent.
 Query options (options, not arguments) can be used to restrict the search space.
 Helps ledger-autosync detect already-seen transactions when importing.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Registermatch.txt

@@ -5,4 +5,4 @@ matches, it shows the most recent. Query options (options, not
 arguments) can be used to restrict the search space. Helps
 ledger-autosync detect already-seen transactions when importing.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Rewrite.md

@@ -2,7 +2,7 @@ rewrite\
 Print all transactions, rewriting the postings of matched transactions.
 For now the only rewrite available is adding new postings, like print --auto.
 
-_FLAGS_
+$FLAGS$
 
 This is a start at a generic rewriter of transaction entries.
 It reads the default journal and prints the transactions, like print,

hledger/Hledger/Cli/Commands/Rewrite.txt

@@ -3,7 +3,7 @@ Print all transactions, rewriting the postings of matched transactions.
 For now the only rewrite available is adding new postings, like print
 --auto.
 
-_FLAGS_
+$FLAGS$
 
 This is a start at a generic rewriter of transaction entries. It reads
 the default journal and prints the transactions, like print, but adds

hledger/Hledger/Cli/Commands/Roi.md

@@ -2,7 +2,7 @@ roi\
 Shows the time-weighted (TWR) and money-weighted (IRR) rate of return
 on your investments.
 
-_FLAGS_
+$FLAGS$
 
 This command assumes that you have account(s) that hold nothing but
 your investments and whenever you record current appraisal/valuation

hledger/Hledger/Cli/Commands/Roi.txt

@@ -2,7 +2,7 @@ roi
 Shows the time-weighted (TWR) and money-weighted (IRR) rate of return on
 your investments.
 
-_FLAGS_
+$FLAGS$
 
 This command assumes that you have account(s) that hold nothing but your
 investments and whenever you record current appraisal/valuation of these

hledger/Hledger/Cli/Commands/Stats.md

@@ -1,7 +1,7 @@
 stats\
 Show some journal statistics.
 
-_FLAGS_
+$FLAGS$
 
 The stats command displays summary information for the whole journal, or
 a matched part of it. With a [reporting interval](#reporting-interval),

hledger/Hledger/Cli/Commands/Stats.txt

@@ -1,7 +1,7 @@
 stats
 Show some journal statistics.
 
-_FLAGS_
+$FLAGS$
 
 The stats command displays summary information for the whole journal, or
 a matched part of it. With a reporting interval, it shows a report for

hledger/Hledger/Cli/Commands/Tags.md

@@ -4,4 +4,4 @@ only tag names matching the regular expression (case insensitive) are shown.
 With QUERY arguments, only transactions matching the query are considered.
 With --values flag, the tags' unique values are listed instead.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Tags.txt

@@ -5,4 +5,4 @@ shown. With QUERY arguments, only transactions matching the query are
 considered. With --values flag, the tags' unique values are listed
 instead.
 
-_FLAGS_
+$FLAGS$

hledger/Hledger/Cli/Commands/Test.md

@@ -1,7 +1,7 @@
 test\
 Run built-in unit tests.
 
-_FLAGS_
+$FLAGS$
 
 This command runs the unit tests built in to hledger and hledger-lib,
 printing the results on stdout. If any test fails, the exit code will

hledger/Hledger/Cli/Commands/Test.txt

@@ -1,7 +1,7 @@
 test
 Run built-in unit tests.
 
-_FLAGS_
+$FLAGS$
 
 This command runs the unit tests built in to hledger and hledger-lib,
 printing the results on stdout. If any test fails, the exit code will be