Rd2txt: avoid para break from initial newline in \eqn block

smeyer · smeyer · commit cfa03ce56dd7 · 2025-07-21T11:46:30.000Z
git-svn-id: https://svn.r-project.org/R/trunk@88434 00db46b3-68df-0310-9c12-caf00c1e9a41
diff --git a/doc/NEWS.Rd b/doc/NEWS.Rd
@@ -228,6 +228,9 @@
       \item %\code{assignInNamespace("\var{S3method}")} and thus
       \code{fixInNamespace("\var{S3method}")} failed to update the S3
       methods table when the generic was not on the search path.
+
+      \item An initial newline inside an Rd inline \verb{\eqn} no longer
+      breaks the paragraph in plain-text help (\code{tools::Rd2txt}).
     }
   }
 }
diff --git a/src/library/tools/R/Rd2txt.R b/src/library/tools/R/Rd2txt.R
@@ -696,6 +696,7 @@ Rd2txt <-
                    ## FIXME: treat 2 of 2 differently?
                    inEqn0 <- inEqn
                    inEqn <<- TRUE
+                   dropBlank <<- TRUE
                    writeContent(block, tag)
                    inEqn <<- inEqn0
                },
diff --git a/tests/testit.txt.save b/tests/testit.txt.save
@@ -72,9 +72,7 @@ _V_a_l_u_e:
       
 \_e_q_n:
 
-     This should not start a new paragraph:
-
-     1/(n-1).
+     This should not start a new paragraph: 1/(n-1).
 
 \_d_e_q_n:
 

Original file line number	Diff line number	Diff line change
`@@ -228,6 +228,9 @@`
`228`	`228`	`\item %\code{assignInNamespace("\var{S3method}")} and thus`
`229`	`229`	`\code{fixInNamespace("\var{S3method}")} failed to update the S3`
`230`	`230`	`methods table when the generic was not on the search path.`
	`231`	`+`
	`232`	`+ \item An initial newline inside an Rd inline \verb{\eqn} no longer`
	`233`	`+ breaks the paragraph in plain-text help (\code{tools::Rd2txt}).`
`231`	`234`	`}`
`232`	`235`	`}`
`233`	`236`	`}`
-Original file line number
+Diff line change
 \_e_q_n:
 -     This should not start a new paragraph:
+-
 -     1/(n-1).
 +     This should not start a new paragraph: 1/(n-1).
 \_d_e_q_n: