doc: fix display of "problematic" ASCII characters #44373
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When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
jasnell
approved these changes
Aug 28, 2022
|
@jasnell Is this blocked on anything? |
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Landed in 9dddc6a |
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Looks like it just fell through the cracks. Landed now! |
|
Awesome, thank you! 🎉 |
RafaelGSS
pushed a commit
that referenced
this pull request
Nov 1, 2022
When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
PR-URL: #44373
Reviewed-By: James M Snell <jasnell@gmail.com>
Merged
RafaelGSS
pushed a commit
that referenced
this pull request
Nov 10, 2022
When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
PR-URL: #44373
Reviewed-By: James M Snell <jasnell@gmail.com>
danielleadams
pushed a commit
that referenced
this pull request
Dec 30, 2022
When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
PR-URL: #44373
Reviewed-By: James M Snell <jasnell@gmail.com>
danielleadams
pushed a commit
that referenced
this pull request
Dec 30, 2022
When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
PR-URL: #44373
Reviewed-By: James M Snell <jasnell@gmail.com>
danielleadams
pushed a commit
that referenced
this pull request
Jan 3, 2023
When preparing output for a terminal that supports Unicode, Groff remaps
the following characters to typographically "fancier" versions:
^ (U+005E) -> ˆ (U+02C6)
~ (U+007E) -> ˜ (U+02DC)
- (U+002D) -> ‐ (U+2010)
` (U+0060) -> ‘ (U+2018)
' (U+0027) -> ’ (U+2019)
This transformation is normally desirable in high-quality typeset output
(PDF and PostScript), but frequently problematic in terminal display. As
described in groff_char(7), the following escape sequences are needed to
display the aforementioned characters as they appear in source code:
^ -> \(ha (Mnemonic: "hat")
~ -> \(ti (Mnemonic: "tilde")
- -> \-
` -> \(ga (Mnemonic: "grave accent")
' -> \(aq (Mnemonic: "apostrophe quote")
These constructs are cumbersome to write, obstruct readability of source
code, and are completely opaque to the majority of man page authors (who
only care about terminal display). A simpler solution is to use `.tr` to
translate these characters automatically.
PR-URL: #44373
Reviewed-By: James M Snell <jasnell@gmail.com>
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When preparing output for a terminal that supports Unicode, Groff remaps the following characters to typographically "fancier" versions:
This transformation is normally desirable in high-quality typeset output (i.e., PDF and PostScript), but frequently problematic in terminal display. As described in
groff_char(7), the following escape sequences are needed to display the aforementioned characters as they appear in source code:These constructs are cumbersome to write, obstruct readability of source code, and are completely opaque to the majority of man page authors (who only care about terminal display). A simpler solution is to use Roff's
.trto translate these characters automatically.