[bug #61987] Incomplete PO output with Scheme lexeme and directives

[Florent Angly]

URL:
  <https://savannah.gnu.org/bugs/?61987>

                 Summary: Incomplete PO output with Scheme lexeme and
directives
                 Project: GNU gettext
            Submitted by: fangly
            Submitted on: Thu 03 Feb 2022 03:55:27 PM UTC
                Category: Scheme
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Scheme introduced a lexeme with R6RS
(http://www.larcenists.org/Documentation/Documentation0.98/r6rs.pdf) and
directives with R7RS
(http://www.larcenists.org/Documentation/Documentation0.98/r7rs.pdf). When I
use these features, xgettext 0.19.8.1 fails to parse the entirety of the
source code. Specifically, all code after the lexeme/directive is ignored.


Example Scheme file "test.scm":

(string-append
  (i18n "User")
  #!r6rs      ; R6RS lexeme
  #!fold-case ; R7RS directive
  #!foo       ; custom directive
  #!
  (i18n "disabled"))


When I run
> xgettext --language=Scheme --keyword=id:i18n test.scm
the output PO file should include both the "user" and "disabled" msgids, but
"disabled" is missing. Commenting out the lines with lexeme/directives leads
to the expected output being generated




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