[groff] 04/04: tmac: Move macro diagnostics away from `quotes'.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 1294c8d2272e1c43b1b683e287deb1749865e642
Author: G. Branden Robinson <address@hidden>
Date:   Sat Nov 18 17:55:26 2017 -0500

    tmac: Move macro diagnostics away from `quotes'.
    
    Signed-off-by: G. Branden Robinson <address@hidden>
---
 ChangeLog           |  4 +++
 tmac/an-old.tmac    |  2 +-
 tmac/doc-common-u   | 86 ++++++++++++++++++++++++++---------------------------
 tmac/doc-syms-u     | 12 ++++----
 tmac/doc.tmac-u     | 26 ++++++++--------
 tmac/papersize.tmac |  2 +-
 tmac/refer.tmac     |  2 +-
 tmac/s.tmac         |  4 +--
 tmac/trace.tmac     |  2 +-
 9 files changed, 72 insertions(+), 68 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e1d26f6..f3b6fa3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-11-18  G. Branden Robinson <address@hidden>
+
+       tmac: Migrate macro package diagnostics away from `quotes'.
+
 2017-11-15  G. Branden Robinson <address@hidden>
 
        * src/libs/libgroff/new.cpp: Quieten compiler warning.
diff --git a/tmac/an-old.tmac b/tmac/an-old.tmac
index cdb3773..4c515cd 100644
--- a/tmac/an-old.tmac
+++ b/tmac/an-old.tmac
@@ -644,7 +644,7 @@
 .de1 R
 \c
 .  ie \\n[.$] \{\
-.    tm `R' is a string (producing the registered sign), not a macro.
+.    tm 'R' is a string (producing the registered sign), not a macro.
 .    nop \\$*
 .  \}
 .  el \{\
diff --git a/tmac/doc-common-u b/tmac/doc-common-u
index 4679d15..0c76381 100644
--- a/tmac/doc-common-u
+++ b/tmac/doc-common-u
@@ -715,7 +715,7 @@
 .      ie d doc-operating-system-BSD-\$2 \
 .        ds doc-operating-system "\*[doc-operating-system-BSD-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown BSD version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown BSD version '\$2' (#\n[.c])
 .  \}\}
 .  el \{ .ie "\$1"FreeBSD" \{\
 .    ds doc-operating-system FreeBSD
@@ -723,7 +723,7 @@
 .      ie d doc-operating-system-FreeBSD-\$2 \
 .        as doc-operating-system \~\*[doc-operating-system-FreeBSD-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown FreeBSD version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown FreeBSD version '\$2' (#\n[.c])
 .  \}\}
 .  el \{ .ie "\$1"DragonFly" \{\
 .    ds doc-operating-system DragonFly
@@ -731,7 +731,7 @@
 .      ie d doc-operating-system-DragonFly-\$2 \
 .        as doc-operating-system \~\*[doc-operating-system-DragonFly-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown DragonFly version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown DragonFly version '\$2' (#\n[.c])
 .  \}\}
 .  el \{ .ie "\$1"NetBSD" \{\
 .    ds doc-operating-system NetBSD
@@ -739,7 +739,7 @@
 .      ie d doc-operating-system-NetBSD-\$2 \
 .        as doc-operating-system \~\*[doc-operating-system-NetBSD-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown NetBSD version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown NetBSD version '\$2' (#\n[.c])
 .  \}\}
 .  el \{ .ie "\$1"OpenBSD" \{\
 .    ds doc-operating-system OpenBSD
@@ -747,7 +747,7 @@
 .      ie d doc-operating-system-OpenBSD-\$2 \
 .        as doc-operating-system \~\*[doc-operating-system-OpenBSD-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown OpenBSD version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown OpenBSD version '\$2' (#\n[.c])
 .  \}\}
 .  el \{ .ie "\$1"Darwin" \{\
 .    ds doc-operating-system Darwin
@@ -755,7 +755,7 @@
 .      ie d doc-operating-system-Darwin-\$2 \
 .        as doc-operating-system \~\*[doc-operating-system-Darwin-\$2]
 .      el \
-.        tm mdoc warning: .Os: Unknown Darwin version `\$2' (#\n[.c])
+.        tm mdoc warning: .Os: Unknown Darwin version '\$2' (#\n[.c])
 .  \}\}
 .  el \{\
 .    ds doc-operating-system \$1
@@ -1234,16 +1234,16 @@
 .
 .de Rd
 .  tm MDOC GLOBAL REGISTER DUMP
-.  tm doc-macro-name == `\*[doc-macro-name]'
+.  tm doc-macro-name == '\*[doc-macro-name]'
 .  tm doc-arg-limit == \n[doc-arg-limit]
 .  tm doc-num-args == \n[doc-num-args]
 .  tm doc-arg-ptr == \n[doc-arg-ptr]
 .
 .  nr doc-reg-Rd 1
 .  while (\n[doc-reg-Rd] <= \n[doc-arg-limit]) \{\
-.    tm doc-arg\n[doc-reg-Rd] == `\*[doc-arg\n[doc-reg-Rd]]'
+.    tm doc-arg\n[doc-reg-Rd] == '\*[doc-arg\n[doc-reg-Rd]]'
 .    tm doc-type\n[doc-reg-Rd] == \n[doc-type\n[doc-reg-Rd]]
-.    tm doc-space\n[doc-reg-Rd] == `\*[doc-space\n[doc-reg-Rd]]'
+.    tm doc-space\n[doc-reg-Rd] == '\*[doc-space\n[doc-reg-Rd]]'
 .    nr doc-reg-Rd +1
 .  \}
 .
@@ -1253,13 +1253,13 @@
 .  tm doc-indent-synopsis-active == \n[doc-indent-synopsis-active]
 .  tm doc-have-decl == \n[doc-have-decl]
 .  tm doc-have-var == \n[doc-have-var]
-.  tm doc-command-name == `\*[doc-command-name]'
-.  tm doc-quote-left == `\*[doc-quote-left]'
-.  tm doc-quote-right == `\*[doc-quote-right]'
+.  tm doc-command-name == '\*[doc-command-name]'
+.  tm doc-quote-left == '\*[doc-quote-left]'
+.  tm doc-quote-right == '\*[doc-quote-right]'
 .  tm doc-nesting-level == \n[doc-nesting-level]
 .  tm doc-in-list == \n[doc-in-list]
-.  tm doc-space == `\*[doc-space]'
-.  tm doc-saved-space == `\*[doc-saved-space]'
+.  tm doc-space == '\*[doc-space]'
+.  tm doc-saved-space == '\*[doc-saved-space]'
 .  tm doc-space-mode == \n[doc-space-mode]
 .  tm doc-have-space == \n[doc-have-space]
 .  tm doc-have-slot == \n[doc-have-slot]
@@ -1269,7 +1269,7 @@
 .
 .  nr doc-reg-Rd 0
 .  while (\n[doc-reg-Rd] <= \n[doc-display-depth]) \{\
-.    tm doc-display-type-stack\n[doc-reg-Rd] == 
`\*[doc-display-type-stack\n[doc-reg-Rd]]'
+.    tm doc-display-type-stack\n[doc-reg-Rd] == 
'\*[doc-display-type-stack\n[doc-reg-Rd]]'
 .    tm doc-display-indent-stack\n[doc-reg-Rd] == 
\n[doc-display-indent-stack\n[doc-reg-Rd]]
 .    tm doc-display-ad-stack\n[doc-reg-Rd] == 
\n[doc-display-ad-stack\n[doc-reg-Rd]]
 .    tm doc-display-fi-stack\n[doc-reg-Rd] == 
\n[doc-display-fi-stack\n[doc-reg-Rd]]
@@ -1282,8 +1282,8 @@
 .
 .  nr doc-reg-Rd 1
 .  while (\n[doc-reg-Rd] <= \n[doc-fontmode-depth]) \{\
-.    tm doc-fontmode-font-stack\n[doc-reg-Rd] == 
`\n[doc-fontmode-font-stack\n[doc-reg-Rd]]'
-.    tm doc-fontmode-size-stack\n[doc-reg-Rd] == 
`\n[doc-fontmode-size-stack\n[doc-reg-Rd]]'
+.    tm doc-fontmode-font-stack\n[doc-reg-Rd] == 
'\n[doc-fontmode-font-stack\n[doc-reg-Rd]]'
+.    tm doc-fontmode-size-stack\n[doc-reg-Rd] == 
'\n[doc-fontmode-size-stack\n[doc-reg-Rd]]'
 .    nr doc-reg-Rd +1
 .  \}
 .
@@ -1291,27 +1291,27 @@
 .
 .  nr doc-reg-Rd 1
 .  while (\n[doc-reg-Rd] <= \n[doc-list-depth]) \{\
-.    tm doc-list-type-stack\n[doc-reg-Rd] == 
`\*[doc-list-type-stack\n[doc-reg-Rd]]'
+.    tm doc-list-type-stack\n[doc-reg-Rd] == 
'\*[doc-list-type-stack\n[doc-reg-Rd]]'
 .    tm doc-list-have-indent-stack\n[doc-reg-Rd] == 
\n[doc-list-have-indent-stack\n[doc-reg-Rd]]
 .    tm doc-list-indent-stack\n[doc-reg-Rd] == 
\n[doc-list-indent-stack\n[doc-reg-Rd]]
 .    tm doc-compact-list-stack\n[doc-reg-Rd] == 
\n[doc-compact-list-stack\n[doc-reg-Rd]]
-.    tm doc-tag-prefix-stack\n[doc-reg-Rd] == 
`\*[doc-tag-prefix-stack\n[doc-reg-Rd]]'
-.    tm doc-tag-width-stack\n[doc-reg-Rd] == 
`\*[doc-tag-width-stack\n[doc-reg-Rd]]'
+.    tm doc-tag-prefix-stack\n[doc-reg-Rd] == 
'\*[doc-tag-prefix-stack\n[doc-reg-Rd]]'
+.    tm doc-tag-width-stack\n[doc-reg-Rd] == 
'\*[doc-tag-width-stack\n[doc-reg-Rd]]'
 .    tm doc-list-offset-stack\n[doc-reg-Rd] == 
\n[doc-list-offset-stack\n[doc-reg-Rd]]
 .    tm doc-enum-list-count-stack\n[doc-reg-Rd] == 
\n[doc-enum-list-count-stack\n[doc-reg-Rd]]
 .    nr doc-reg-Rd +1
 .  \}
 .
-.  tm doc-saved-Pa-font == `\*[doc-saved-Pa-font]'
+.  tm doc-saved-Pa-font == '\*[doc-saved-Pa-font]'
 .  tm doc-curr-type == \n[doc-curr-type]
-.  tm doc-curr-arg == `\*[doc-curr-arg]'
+.  tm doc-curr-arg == '\*[doc-curr-arg]'
 .  tm doc-diag-list-input-line-count == \n[doc-diag-list-input-line-count]
 .  tm doc-num-columns == \n[doc-num-columns]
 .  tm doc-column-indent-width == \n[doc-column-indent-width]
 .  tm doc-is-func == \n[doc-is-func]
 .  tm doc-have-old-func == \n[doc-have-old-func]
 .  tm doc-func-arg-count == \n[doc-func-arg-count]
-.  tm doc-func-arg == `\*[doc-func-arg]'
+.  tm doc-func-arg == '\*[doc-func-arg]'
 .  tm doc-num-func-args == \n[doc-num-func-args]
 .  tm doc-func-args-processed == \n[doc-func-args-processed]
 .  tm doc-have-func == \n[doc-have-func]
@@ -1321,46 +1321,46 @@
 .
 .  nr doc-reg-Rd 0
 .  while (\n[doc-reg-Rd] <= \n[doc-author-count]) \{\
-.    tm doc-author-name\n[doc-reg-Rd] == `\*[doc-author-name\n[doc-reg-Rd]]'
+.    tm doc-author-name\n[doc-reg-Rd] == '\*[doc-author-name\n[doc-reg-Rd]]'
 .    nr doc-reg-Rd +1
 .  \}
 .
 .  tm doc-book-count == \n[doc-book-count]
-.  tm doc-book-name == `\*[doc-book-name]'
+.  tm doc-book-name == '\*[doc-book-name]'
 .  tm doc-date-count == \n[doc-date-count]
-.  tm doc-date == `\*[doc-date]'
+.  tm doc-date == '\*[doc-date]'
 .  tm doc-publisher-count == \n[doc-publisher-count]
-.  tm doc-publisher-name == `\*[doc-publisher-name]'
+.  tm doc-publisher-name == '\*[doc-publisher-name]'
 .  tm doc-journal-count == \n[doc-journal-count]
-.  tm doc-journal-name == `\*[doc-journal-name]'
+.  tm doc-journal-name == '\*[doc-journal-name]'
 .  tm doc-issue-count == \n[doc-issue-count]
-.  tm doc-issue-name == `\*[doc-issue-name]'
+.  tm doc-issue-name == '\*[doc-issue-name]'
 .  tm doc-optional-count == \n[doc-optional-count]
-.  tm doc-optional-string == `\*[doc-optional-string]'
+.  tm doc-optional-string == '\*[doc-optional-string]'
 .  tm doc-page-number-count == \n[doc-page-number-count]
-.  tm doc-page-number-string == `\*[doc-page-number-string]'
+.  tm doc-page-number-string == '\*[doc-page-number-string]'
 .  tm doc-corporate-count == \n[doc-corporate-count]
-.  tm doc-corporate-name == `\*[doc-corporate-name]'
+.  tm doc-corporate-name == '\*[doc-corporate-name]'
 .  tm doc-report-count == \n[doc-report-count]
-.  tm doc-report-name == `\*[doc-report-name]'
+.  tm doc-report-name == '\*[doc-report-name]'
 .  tm doc-reference-title-count == \n[doc-reference-title-count]
-.  tm doc-reference-title-name == `\*[doc-reference-title-name]'
-.  tm doc-reference-title-name-for-book == 
`\*[doc-reference-title-name-for-book]'
+.  tm doc-reference-title-name == '\*[doc-reference-title-name]'
+.  tm doc-reference-title-name-for-book == 
'\*[doc-reference-title-name-for-book]'
 .  tm doc-url-count == \n[doc-url-count]
-.  tm doc-url-name == `\*[doc-url-name]'
+.  tm doc-url-name == '\*[doc-url-name]'
 .  tm doc-volume-count == \n[doc-volume-count]
-.  tm doc-volume-name == `\*[doc-volume-name]'
+.  tm doc-volume-name == '\*[doc-volume-name]'
 .  tm doc-have-author == \n[doc-have-author]
 .
-.  tm doc-document-title == `\*[doc-document-title]'
-.  tm doc-volume == `\*[doc-volume]'
-.  tm doc-section == `\*[doc-section]'
-.  tm doc-operating-system == `\*[doc-operating-system]'
-.  tm doc-date-string == `\*[doc-date-string]'
+.  tm doc-document-title == '\*[doc-document-title]'
+.  tm doc-volume == '\*[doc-volume]'
+.  tm doc-section == '\*[doc-section]'
+.  tm doc-operating-system == '\*[doc-operating-system]'
+.  tm doc-date-string == '\*[doc-date-string]'
 .  tm doc-header-space == \n[doc-header-space]
 .  tm doc-footer-space == \n[doc-footer-space]
 .  tm doc-display-vertical == \n[doc-display-vertical]
-.  tm doc-header-string == `\*[doc-header-string]'
+.  tm doc-header-string == '\*[doc-header-string]'
 .  tm doc-in-synopsis-section == \n[doc-in-synopsis-section]
 .  tm doc-in-library-section == \n[doc-in-library-section]
 .  tm doc-in-see-also-section == \n[doc-in-see-also-section]
diff --git a/tmac/doc-syms-u b/tmac/doc-syms-u
index 88c39f1..3822008 100644
--- a/tmac/doc-syms-u
+++ b/tmac/doc-syms-u
@@ -239,7 +239,7 @@
 .          ds doc-str-At1 "\*[doc-str-At-\*[doc-arg\n[doc-arg-ptr]]]
 .        el \{\
 .          tmc mdoc warning: .At: Unknown AT&T UNIX version
-.          tm1 " `\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
+.          tm1 " '\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
 .          nr doc-arg-ptr -1
 .      \}\}
 .      el \
@@ -304,7 +304,7 @@
 .          as doc-str-Dx1 
\~\*[doc-operating-system-DragonFly-\*[doc-arg\n[doc-arg-ptr]]]
 .        el \{\
 .          tmc mdoc warning: .Dx: Unknown DragonFly version
-.          tm1 " `\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
+.          tm1 " '\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
 .          as doc-str-Dx1 \~\*[doc-arg\n[doc-arg-ptr]]
 .      \}\}
 .      el \
@@ -369,7 +369,7 @@
 .          as doc-str-Fx1 
\~\*[doc-operating-system-FreeBSD-\*[doc-arg\n[doc-arg-ptr]]]
 .        el \{\
 .          tmc mdoc warning: .Fx: Unknown FreeBSD version
-.          tm1 " `\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
+.          tm1 " '\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
 .          as doc-str-Fx1 \~\*[doc-arg\n[doc-arg-ptr]]
 .      \}\}
 .      el \
@@ -435,7 +435,7 @@
 .          as doc-str-Nx1 
\~\*[doc-operating-system-NetBSD-\*[doc-arg\n[doc-arg-ptr]]]
 .        el \{\
 .          tmc mdoc warning: .Nx: Unknown NetBSD version
-.          tm1 " `\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
+.          tm1 " '\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
 .          as doc-str-Nx1 \~\*[doc-arg\n[doc-arg-ptr]]
 .      \}\}
 .      el \
@@ -719,7 +719,7 @@
 .        ds doc-str-St1 "\*[doc-str-St-\*[doc-arg\n[doc-arg-ptr]]]
 .      el \{\
 .        tmc "mdoc warning: .St: Unknown standard abbreviation
-.        tm1 " `\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
+.        tm1 " '\*[doc-arg\n[doc-arg-ptr]]' (#\n[.c])
 .        tm1 "              Please refer to the groff_mdoc(7) manpage for a
 .        tm1 "              list of available standard abbreviations.
 .    \}\}
@@ -858,7 +858,7 @@
 .      ds doc-str-Lb1 "\*[doc-str-Lb-\*[doc-arg\n[doc-arg-ptr]]]
 .    el \{\
 .      tmc "mdoc warning: .Lb: no description for library
-.      tm1 " `\*[doc-arg\n[doc-arg-ptr]]' available (#\n[.c])
+.      tm1 " '\*[doc-arg\n[doc-arg-ptr]]' available (#\n[.c])
 .      ds doc-str-Lb1 library \*[Lq]\*[doc-arg\n[doc-arg-ptr]]\*[Rq]
 .    \}
 .
diff --git a/tmac/doc.tmac-u b/tmac/doc.tmac-u
index d3fbb95..166f207 100644
--- a/tmac/doc.tmac-u
+++ b/tmac/doc.tmac-u
@@ -2084,7 +2084,7 @@
 .
 .de Ap
 .  ie !\n[doc-arg-limit] \
-.    tm Usage: `Ap' cannot be first macro on a line (no `.Ap') (#\n[.c])
+.    tm Usage: 'Ap' cannot be first macro on a line (no '.Ap') (#\n[.c])
 .  el \{\
 .    nop \)'\)\c
 .    nr doc-arg-ptr +1
@@ -2499,7 +2499,7 @@
 .    el \{ .ie "\$1"-symbolic" \
 .      nop \*[doc-Sy-font]\c
 .    el \{\
-.      tmc mdoc warning: Unknown keyword `\$1' in .Bf macro
+.      tmc mdoc warning: Unknown keyword '\$1' in .Bf macro
 .      tm1 " (#\n[.c])
 .  \}\}\}\}\}\}\}
 .  el \
@@ -2569,7 +2569,7 @@
 .    doc-set-hard-space
 .  \}
 .  el \{\
-.    tm mdoc warning: Unknown keyword `\$1' in .Bk macro (#\n[.c])
+.    tm mdoc warning: Unknown keyword '\$1' in .Bk macro (#\n[.c])
 .    nr doc-keep-type 3
 .  \}\}\}
 .
@@ -2747,7 +2747,7 @@
 .    nf
 .  \}
 .  el \{\
-.    tm1 "mdoc warning: Unknown keyword `\$1' (or missing display type)
+.    tm1 "mdoc warning: Unknown keyword '\$1' (or missing display type)
 .    tm1 "              in .Bd macro (#\n[.c])
 .    nr doc-reg-Bd 0
 .  \}\}\}\}\}
@@ -2873,10 +2873,10 @@
 .      nr doc-reg-ddBa 2
 .    \}
 .    el \
-.      tm mdoc warning: .Bd `-file' keyword requires argument (#\n[.c])
+.      tm mdoc warning: .Bd '-file' keyword requires argument (#\n[.c])
 .  \}
 .  el \
-.      tm mdoc warning: Unknown keyword `\$1' in .Bd macro (#\n[.c])
+.      tm mdoc warning: Unknown keyword '\$1' in .Bd macro (#\n[.c])
 .  \}\}
 .
 .  if (\n[doc-reg-ddBa] < \n[.$]) \{\
@@ -3033,7 +3033,7 @@
 .    linetabs 1
 .  \}
 .  el \{\
-.    tm1 "mdoc warning: Unknown list type `\$1' (or missing list type)
+.    tm1 "mdoc warning: Unknown list type '\$1' (or missing list type)
 .    tm1 "              in .Bl macro
 .    tm
 .    nr doc-arg-ptr 0
@@ -3143,7 +3143,7 @@
 .      nr doc-list-indent-stack\n[doc-list-depth] +\n[doc-reg-dBla1]n
 .    \}
 .    el \
-.      tm mdoc warning: `-nested' allowed with nested .Bl macros only (#\n[.c])
+.      tm mdoc warning: '-nested' allowed with nested .Bl macros only (#\n[.c])
 .  \}
 .
 .  el \{ .ie "\*[doc-arg\n[doc-arg-ptr]]"-width" \{\
@@ -3312,7 +3312,7 @@
 .        ds doc-arg\n[doc-num-columns] "\*[doc-arg\n[doc-arg-ptr]]
 .    \}
 .    el \{\
-.      tmc mdoc warning: Unknown keyword `\*[doc-arg\n[doc-arg-ptr]]'
+.      tmc mdoc warning: Unknown keyword '\*[doc-arg\n[doc-arg-ptr]]'
 .      tm1 " in .Bl macro (#\n[.c])
 .  \}\}
 .
@@ -3745,7 +3745,7 @@
 .
 .  ie (\n[doc-reg-It] == 1) \{\
 .    if \n[.$] \{\
-.      tm1 "mdoc warning: .It macros in lists of type `\*[doc-str-It]'
+.      tm1 "mdoc warning: .It macros in lists of type '\*[doc-str-It]'
 .      tm1 "              don't take arguments (#\n[.c])
 .  \}\}
 .  el \{\
@@ -3772,7 +3772,7 @@
 .          doc-print-recursive
 .    \}\}\}
 .    el \{\
-.      tm1 "mdoc warning: .It macros in lists of type `\*[doc-str-It]'
+.      tm1 "mdoc warning: .It macros in lists of type '\*[doc-str-It]'
 .      tm1 "              require arguments (#\n[.c])
 .    \}
 .  \}
@@ -6517,7 +6517,7 @@
 .als Ds doc-defunct-macro
 .
 .als Or doc-defunct-macro
-.ds doc-Or-usage use `|'
+.ds doc-Or-usage use '|'
 .
 .als Sf doc-defunct-macro
 .ds doc-Sf-usage use .Pf or .Ns
@@ -6527,7 +6527,7 @@
 .
 .de em
 .  tm1 "mdoc error: end-macro (.em) respecification is not allowed. (#\n[.c])
-.  tm1 "            Should this have been `.Em ...'?
+.  tm1 "            Should this have been '.Em ...'?
 .  ab
 ..
 .
diff --git a/tmac/papersize.tmac b/tmac/papersize.tmac
index a5b24bc..8f4a2f0 100644
--- a/tmac/papersize.tmac
+++ b/tmac/papersize.tmac
@@ -150,7 +150,7 @@
 .    nr paper-w 1
 .
 .  ie \n[paper-w] \
-.    tm warning: Unknown paper size `\*[paper]'
+.    tm warning: Unknown paper size '\*[paper]'
 .  el \
 .    if !r LL \
 .      nr LL \n[.l]u  \" for ms, mdoc, man
diff --git a/tmac/refer.tmac b/tmac/refer.tmac
index 8e953a2..fa1d772 100644
--- a/tmac/refer.tmac
+++ b/tmac/refer.tmac
@@ -123,7 +123,7 @@
 .      ie d ref*spec!\\$1 \
 .              ref*build \\$1 \\*[ref*spec!\\$1]
 .      el \{\
-.              ref*error "unknown reference type `\\$1'"
+.              ref*error "unknown reference type '\\$1'"
 .              ref*build 0 \\*[ref*spec!0]
 .      \}
 .      ref*print
diff --git a/tmac/s.tmac b/tmac/s.tmac
index 3acd0df..71bb37e 100644
--- a/tmac/s.tmac
+++ b/tmac/s.tmac
@@ -137,7 +137,7 @@ along with this program.  If not, see 
<http://www.gnu.org/licenses/>.
 .ch cov*first-page-init
 .rm cov*first-page-init
 .if !'\\n[.ev]'0' \{\
-.      @error must be in top-level environment, not `\\n[.ev]',
+.      @error must be in top-level environment, not '\\n[.ev]',
 .      @error when first page is started
 .\}
 address@hidden
@@ -1508,7 +1508,7 @@ along with this program.  If not, see 
<http://www.gnu.org/licenses/>.
 .de FP
 .br
 .if !d par*fp!\\n[FF] \{\
-.      @error unknown footnote format `\\n[FF]'
+.      @error unknown footnote format '\\n[FF]'
 .      nr FF 0
 .\}
 .ie '\\$2'no' .par*fp!\\n[FF]-no "\\$1"
diff --git a/tmac/trace.tmac b/tmac/trace.tmac
index 41215c1..fb0dd2f 100644
--- a/tmac/trace.tmac
+++ b/tmac/trace.tmac
@@ -121,7 +121,7 @@
 .    ecs
 .    ec
 .    !!substring \$*
-.    tm1 "\*[!!!sp]*** .substring \$* (-> `\*[\$1]')
+.    tm1 "\*[!!!sp]*** .substring \$* (-> '\*[\$1]')
 .    ecr
 .  .
 .